-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ##################################################### ## N C S C ~ B E V E I L I G I N G S A D V I E S ## ##################################################### Titel : Kwetsbaarheden verholpen in Microsoft Windows Advisory ID : NCSC-2026-0181 Versie : 1.00 Kans : high CVE ID : CVE-2025-10263, CVE-2026-8863, CVE-2026-33828, CVE-2026-34335, CVE-2026-40404, CVE-2026-40409, CVE-2026-41092, CVE-2026-41108, CVE-2026-42828, CVE-2026-42829, CVE-2026-42836, CVE-2026-42837, CVE-2026-42903, CVE-2026-42904, CVE-2026-42905, CVE-2026-42906, CVE-2026-42907, CVE-2026-42908, CVE-2026-42909, CVE-2026-42910, CVE-2026-42911, CVE-2026-42912, CVE-2026-42913, CVE-2026-42914, CVE-2026-42915, CVE-2026-42916, CVE-2026-42968, CVE-2026-42969, CVE-2026-42970, CVE-2026-42971, CVE-2026-42972, CVE-2026-42973, CVE-2026-42974, CVE-2026-42977, CVE-2026-42978, CVE-2026-42979, CVE-2026-42980, CVE-2026-42981, CVE-2026-42983, CVE-2026-42984, CVE-2026-42985, CVE-2026-42986, CVE-2026-42987, CVE-2026-42989, CVE-2026-42991, CVE-2026-42992, CVE-2026-42993, CVE-2026-44799, CVE-2026-44801, CVE-2026-44802, CVE-2026-44803, CVE-2026-44804, CVE-2026-44805, CVE-2026-44807, CVE-2026-44808, CVE-2026-44809, CVE-2026-44810, CVE-2026-44811, CVE-2026-44812, CVE-2026-44813, CVE-2026-44814, CVE-2026-44815, CVE-2026-45487, CVE-2026-45586, CVE-2026-45588, CVE-2026-45592, CVE-2026-45593, CVE-2026-45594, CVE-2026-45595, CVE-2026-45596, CVE-2026-45597, CVE-2026-45598, CVE-2026-45599, CVE-2026-45600, CVE-2026-45601, CVE-2026-45602, CVE-2026-45603, CVE-2026-45604, CVE-2026-45605, CVE-2026-45606, CVE-2026-45607, CVE-2026-45608, CVE-2026-45634, CVE-2026-45635, CVE-2026-45636, CVE-2026-45637, CVE-2026-45638, CVE-2026-45639, CVE-2026-45640, CVE-2026-45641, CVE-2026-45642, CVE-2026-45648, CVE-2026-45653, CVE-2026-45654, CVE-2026-45655, CVE-2026-45656, CVE-2026-45657, CVE-2026-45658, CVE-2026-47288, CVE-2026-47289, CVE-2026-47291, CVE-2026-47648, CVE-2026-47652, CVE-2026-47653, CVE-2026-47654, CVE-2026-47656, CVE-2026-48563, CVE-2026-48565, CVE-2026-48566, CVE-2026-48568, CVE-2026-48570, CVE-2026-48573, CVE-2026-48574, CVE-2026-48575, CVE-2026-48576, CVE-2026-48578, CVE-2026-48583, CVE-2026-49160, CVE-2026-50507 (Details over de kwetsbaarheden kunt u vinden op de Mitre website: https://cve.mitre.org/cve/) Schade : high Improper Input Validation Improper Link Resolution Before File Access ('Link Following') Improper Neutralization of Special Elements used in a Command ('Command Injection') Stack-based Buffer Overflow Heap-based Buffer Overflow Out-of-bounds Read Buffer Over-read Incorrect Calculation of Buffer Size Integer Overflow or Wraparound Integer Underflow (Wrap or Wraparound) Numeric Truncation Error Exposure of Sensitive Information to an Unauthorized Actor Improper Privilege Management Improper Access Control Improper Authentication Authentication Bypass Using an Alternate Path or Channel Missing Authentication for Critical Function Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') Time-of-check Time-of-use (TOCTOU) Race Condition Uncontrolled Resource Consumption Use After Free Untrusted Search Path NULL Pointer Dereference Trust Boundary Violation Protection Mechanism Failure Out-of-bounds Write Untrusted Pointer Dereference Access of Resource Using Incompatible Type ('Type Confusion') Use of Uninitialized Resource Reliance on Component That is Not Updateable Uitgiftedatum : 20260609 Toepassing : Microsoft Microsoft Windows 11 Microsoft Microsoft Windows 11 Version 26H1 Microsoft Microsoft Windows Server 2025 Microsoft Windows 10 Microsoft Windows 10 1803 Microsoft Windows 10 1809 Microsoft Windows 10 1903 Microsoft Windows 10 1909 Microsoft Windows 10 2004 Microsoft Windows 10 20h2 Microsoft Windows 10 Version 1607 for 32-bit Systems Microsoft Windows 10 Version 1607 for x64-based Systems Microsoft Windows 10 Version 1803 Microsoft Windows 10 Version 1803 for 32-bit Systems Microsoft Windows 10 Version 1803 for ARM64-based Systems Microsoft Windows 10 Version 1803 for x64-based Systems Microsoft Windows 10 Version 1809 Microsoft Windows 10 Version 1809 for 32-bit Systems Microsoft Windows 10 Version 1809 for ARM64-based Systems Microsoft Windows 10 Version 1809 for x64-based Systems Microsoft Windows 10 Version 1903 for 32-bit Systems Microsoft Windows 10 Version 1903 for ARM64-based Systems Microsoft Windows 10 Version 1903 for x64-based Systems Microsoft Windows 10 Version 1909 Microsoft Windows 10 Version 1909 for 32-bit Systems Microsoft Windows 10 Version 1909 for ARM64-based Systems Microsoft Windows 10 Version 1909 for x64-based Systems Microsoft Windows 10 Version 2004 Microsoft Windows 10 Version 2004 for 32-bit Systems Microsoft Windows 10 Version 2004 for ARM64-based Systems Microsoft Windows 10 Version 2004 for x64-based Systems Microsoft Windows 10 Version 20H2 Microsoft Windows 10 Version 20H2 for 32-bit Systems Microsoft Windows 10 Version 20H2 for ARM64-based Systems Microsoft Windows 10 Version 21H2 for 32-bit Systems Microsoft Windows 10 Version 21H2 for ARM64-based Systems Microsoft Windows 10 Version 21H2 for x64-based Systems Microsoft Windows 10 Version 22H2 for 32-bit Systems Microsoft Windows 10 Version 22H2 for ARM64-based Systems Microsoft Windows 10 Version 22H2 for x64-based Systems Microsoft Windows 11 Version 23H2 for ARM64-based Systems Microsoft Windows 11 Version 23H2 for x64-based Systems Microsoft Windows 11 Version 24H2 Microsoft Windows 11 Version 24H2 for ARM64-based Systems Microsoft Windows 11 Version 24H2 for x64-based Systems Microsoft Windows 11 Version 25H2 Microsoft Windows 11 Version 25H2 for ARM64-based Systems Microsoft Windows 11 Version 25H2 for x64-based Systems Microsoft Windows 11 Version 26H1 for ARM64-based Systems Microsoft Windows 11 Version 26H1 for x64-based Systems Microsoft Windows 11 version 26H1 Microsoft Windows 11 version 26H1 for x64-based Systems Microsoft Windows Narrator Braille Microsoft Windows Server Microsoft Windows Server 1903 Microsoft Windows Server 1909 Microsoft Windows Server 2004 Microsoft Windows Server 2012 Microsoft Windows Server 2012 (Server Core installation) Microsoft Windows Server 2012 R2 Microsoft Windows Server 2012 R2 (Server Core installation) Microsoft Windows Server 2016 Microsoft Windows Server 2016 (Server Core installation) Microsoft Windows Server 2019 Microsoft Windows Server 2019 (Server Core installation) Microsoft Windows Server 2022 Microsoft Windows Server 2022 (Server Core installation) Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation) Microsoft Windows Server 20H2 Microsoft Windows Server version 2004 Microsoft Windows Server version 20H2 Microsoft Windows Server, version 1903 (Server Core installation) Microsoft Windows Server, version 1909 (Server Core installation) Microsoft Windows Server, version 2004 (Server Core installation) Microsoft Windows Server, version 20H2 (Server Core Installation) Versie(s) : Platform(s) : Beschrijving Microsoft heeft een groot aantal kwetsbaarheden verholpen in Windows. Een kwaadwillende kan de kwetsbaarheden misbruiken om aanvallen uit te voeren die kunnen leiden tot diverse categorieën schade, zoals omschreven in onderstaande tabellen. Tussen deze kwetsbaarheden zitten een zestal zeer ernstige, welke door Microsoft zijn ingeschaald met een CVSS score van 9 en hoger. Deze kwetsbaarheden bevinden zich in diverse componenten van Windows die bereikbaar en benaderbaar zijn vanaf netwerkverbindingen, zoals http.sys, DHCP, de Kernel en TCP/IP. Door de externe bereikbaarheid en de mogelijkheden tot uitvoer van willekeurige code, is het risico op grootschalig misbruik op korte termijn aanwezig. Op dit moment wordt (nog) geen actief misbruik waargenomen en is (nog) geen publieke Proof-of-Concept (PoC) of exploit bekend, maar het NCSC verwacht deze wel op korte termijn en adviseert daarom deze updates met spoed in te zetten. ``` Windows TCP/IP: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-42904 | 9.60 | Verkrijgen van verhoogde rechten | | CVE-2026-42915 | 5.70 | Denial-of-Service | |----------------|------|-------------------------------------| Windows BitLocker: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45655 | 5.30 | Omzeilen van beveiligingsmaatregel | | CVE-2026-45658 | 7.80 | Omzeilen van beveiligingsmaatregel | | CVE-2026-50507 | 6.80 | Omzeilen van beveiligingsmaatregel | |----------------|------|-------------------------------------| Windows Mark of the Web (MOTW): |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45595 | 5.40 | Omzeilen van beveiligingsmaatregel | |----------------|------|-------------------------------------| Windows Win32K - GRFX: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-44803 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-44812 | 7.80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Windows Push Notifications: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-42969 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-42971 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-42970 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-42973 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-42978 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-42977 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-42979 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-42991 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Microsoft Windows DNS: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-41108 | 7.00 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Bluetooth Port Driver: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45640 | 7.00 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Ancillary Function Driver for WinSock: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-34335 | 7.00 | Verkrijgen van verhoogde rechten | | CVE-2026-45601 | 7.00 | Verkrijgen van verhoogde rechten | | CVE-2026-45598 | 7.00 | Verkrijgen van verhoogde rechten | | CVE-2026-45596 | 7.00 | Verkrijgen van verhoogde rechten | | CVE-2026-45638 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-45603 | 7.00 | Verkrijgen van verhoogde rechten | | CVE-2026-42911 | 7.00 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Function Discovery Service (fdwsd.dll): |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-42836 | 7.00 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Kernel: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2025-10263 | 9.30 | Verkrijgen van verhoogde rechten | | CVE-2026-45657 | 9.80 | Uitvoeren van willekeurige code | | CVE-2026-48583 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-45653 | 7.00 | Verkrijgen van verhoogde rechten | | CVE-2026-42984 | 7.00 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Secure Boot: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45588 | 7.90 | Omzeilen van beveiligingsmaatregel | | CVE-2026-48568 | 7.90 | Omzeilen van beveiligingsmaatregel | | CVE-2026-48570 | 7.90 | Omzeilen van beveiligingsmaatregel | | CVE-2026-48573 | 7.90 | Omzeilen van beveiligingsmaatregel | | CVE-2026-48575 | 7.90 | Omzeilen van beveiligingsmaatregel | | CVE-2026-48576 | 7.90 | Omzeilen van beveiligingsmaatregel | | CVE-2026-48578 | 7.90 | Verkrijgen van verhoogde rechten | | CVE-2026-45654 | 7.90 | Omzeilen van beveiligingsmaatregel | |----------------|------|-------------------------------------| Remote Desktop Client: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-47289 | 8.80 | Uitvoeren van willekeurige code | | CVE-2026-47653 | 8.80 | Uitvoeren van willekeurige code | | CVE-2026-47654 | 7.50 | Uitvoeren van willekeurige code | | CVE-2026-48563 | 7.50 | Uitvoeren van willekeurige code | | CVE-2026-42909 | 7.50 | Uitvoeren van willekeurige code | | CVE-2026-42913 | 7.50 | Uitvoeren van willekeurige code | | CVE-2026-42992 | 7.50 | Uitvoeren van willekeurige code | | CVE-2026-44799 | 7.50 | Uitvoeren van willekeurige code | | CVE-2026-44801 | 7.50 | Uitvoeren van willekeurige code | | CVE-2026-42985 | 8.80 | Uitvoeren van willekeurige code | | CVE-2026-42993 | 7.50 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Microsoft UxTheme Library (uxtheme.dll): |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45606 | 5.50 | Denial-of-Service | |----------------|------|-------------------------------------| Windows Kernel-Mode Drivers: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45600 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows DHCP Client: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45608 | 6.80 | Toegang tot gevoelige gegevens | | CVE-2026-44815 | 9.80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Universal Plug and Play (upnp.dll): |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45599 | 8.10 | Uitvoeren van willekeurige code | | CVE-2026-45635 | 8.10 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Windows Bluetooth Service: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45605 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows UEFI: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45656 | 7.80 | Omzeilen van beveiligingsmaatregel | | CVE-2026-8863 | 7.80 | Omzeilen van beveiligingsmaatregel | |----------------|------|-------------------------------------| Windows Hotpatch Monitoring Service: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-42910 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Microsoft Azure Attestation service and Device Health Attestation Service: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-33828 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-45642 | 3.90 | Voordoen als andere gebruiker | |----------------|------|-------------------------------------| Windows RDP: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45639 | 7.50 | Toegang tot gevoelige gegevens | | CVE-2026-42908 | 7.50 | Toegang tot gevoelige gegevens | |----------------|------|-------------------------------------| Winlogon: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-42989 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Collaborative Translation Framework: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45586 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Kerberos: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-47288 | 7.10 | Uitvoeren van willekeurige code | | CVE-2026-42903 | 6.50 | Denial-of-Service | | CVE-2026-42914 | 5.30 | Denial-of-Service | |----------------|------|-------------------------------------| Windows Cryptographic Services: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-44810 | 8.40 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows NTFS: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45636 | 7.80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Windows Universal Disk Format File System Driver (UDFS): |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-40409 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-40404 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Microsoft Graphics Component: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-42986 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Hyper-V: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45607 | 8.40 | Uitvoeren van willekeurige code | | CVE-2026-47652 | 8.20 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Windows NT OS Kernel: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-42980 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-42916 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Common Log File System Driver: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-44809 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Projected File System Filter Driver: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-42828 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-42837 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| UI Automation Manager (uiamanager.dll): |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45597 | 7.00 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows HTTP.sys: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-47291 | 9.80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Microsoft Kinect: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-41092 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows SDK: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45593 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Media: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-48574 | 7.80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Windows Performance Monitor: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-42981 | 8.10 | Uitvoeren van willekeurige code | | CVE-2026-42974 | 8.10 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Windows Application Identity (AppID) Subsystem: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45594 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-45604 | 5.50 | Toegang tot gevoelige gegevens | |----------------|------|-------------------------------------| Windows Administrator Protection: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-42829 | 7.80 | Omzeilen van beveiligingsmaatregel | |----------------|------|-------------------------------------| Role: Windows Hyper-V: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45641 | 8.40 | Uitvoeren van willekeurige code | | CVE-2026-42972 | 5.50 | Toegang tot gevoelige gegevens | |----------------|------|-------------------------------------| Windows Narrator Braille: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-48565 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows DHCP Server: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45634 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-45602 | 9.10 | Manipulatie van gegevens | |----------------|------|-------------------------------------| Windows Internet (wininet.dll): |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45592 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Deployment Services: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-42987 | 8.10 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| HTTP/2: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-49160 | 7.50 | Denial-of-Service | |----------------|------|-------------------------------------| Windows Telephony Service: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-42912 | 7.00 | Verkrijgen van verhoogde rechten | | CVE-2026-42968 | 5.50 | Toegang tot gevoelige gegevens | |----------------|------|-------------------------------------| Windows Network Controller (NC) Host Agent: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-44805 | 5.50 | Denial-of-Service | |----------------|------|-------------------------------------| Windows DWM Core Library: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-48566 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-45637 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-42905 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-44811 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-44808 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-44807 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-42983 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-44802 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-44814 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-44813 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-44804 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Boot Manager: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-47656 | 7.90 | Omzeilen van beveiligingsmaatregel | |----------------|------|-------------------------------------| Windows Program Compatibility Assistant Service: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45487 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Storage: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-47648 | 7.00 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Shell: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-42906 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-42907 | 6.50 | Toegang tot gevoelige gegevens | |----------------|------|-------------------------------------| Active Directory Domain Services: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45648 | 8.80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| ``` Mogelijke oplossingen Microsoft heeft updates beschikbaar gesteld waarmee de beschreven kwetsbaarheden worden verholpen. We raden u aan om deze updates te installeren. Meer informatie over de kwetsbaarheden, de installatie van de updates en eventuele work-arounds vindt u op: https://portal.msrc.microsoft.com/en-us/security-guidance Referenties: Vrijwaringsverklaring Door gebruik van deze security advisory gaat u akkoord met de navolgende voorwaarden. Ondanks dat het NCSC de grootst mogelijke zorg heeft betracht bij de samenstelling van dit beveiligingsadvies, kan het NCSC niet instaan voor de volledigheid, juistheid of (voortdurende) actualiteit van dit beveiligingsadvies. De informatie in dit beveiligingsadvies is uitsluitend bedoeld als algemene informatie voor professionele partijen. Aan de informatie in dit beveiligingsadvies kunnen geen rechten worden ontleend. Het NCSC en de Staat zijn niet aansprakelijk voor enige schade ten gevolge van het gebruik of de onmogelijkheid van het gebruik van dit beveiligingsadvies, waaronder begrepen schade ten gevolge van de onjuistheid of onvolledigheid van de informatie in dit beveiligingsadvies. Op dit beveiligingsadvies is Nederlands recht van toepassing. Alle geschillen in verband met en/of voortvloeiend uit dit beveiligingsadvies zullen worden voorgelegd aan de exclusief bevoegde rechter te Den Haag. 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