-----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-2026-0080 Versie : 1.00 Kans : medium CVE ID : CVE-2026-23656, CVE-2026-23667, CVE-2026-23668, CVE-2026-23669, CVE-2026-23671, CVE-2026-23672, CVE-2026-23673, CVE-2026-23674, CVE-2026-24282, CVE-2026-24283, CVE-2026-24285, CVE-2026-24287, CVE-2026-24288, CVE-2026-24289, CVE-2026-24290, CVE-2026-24291, CVE-2026-24292, CVE-2026-24293, CVE-2026-24294, CVE-2026-24295, CVE-2026-24296, CVE-2026-24297, CVE-2026-25165, CVE-2026-25166, CVE-2026-25167, CVE-2026-25168, CVE-2026-25169, CVE-2026-25170, CVE-2026-25171, CVE-2026-25172, CVE-2026-25173, CVE-2026-25174, CVE-2026-25175, CVE-2026-25176, CVE-2026-25177, CVE-2026-25178, CVE-2026-25179, CVE-2026-25180, CVE-2026-25181, CVE-2026-25185, CVE-2026-25186, CVE-2026-25187, CVE-2026-25188, CVE-2026-25189, CVE-2026-25190, CVE-2026-26111, CVE-2026-26128, CVE-2026-26132 (Details over de kwetsbaarheden kunt u vinden op de Mitre website: https://cve.mitre.org/cve/) Schade : high Improper Input Validation Improper Resolution of Path Equivalence Improper Link Resolution Before File Access ('Link Following') External Control of File Name or Path Heap-based Buffer Overflow Out-of-bounds Read Integer Overflow or Wraparound Exposure of Sensitive Information to an Unauthorized Actor Improper Access Control Improper Authentication Insufficient Verification of Data Authenticity Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') Divide By Zero Use After Free Untrusted Search Path NULL Pointer Dereference Deserialization of Untrusted Data Incorrect Permission Assignment for Critical Resource Improper Restriction of Names for Files and Other Resources Improper Validation of Specified Type of Input Uitgiftedatum : 20260310 Toepassing : Microsoft Windows 10 Version 1607 for 32-bit Systems Microsoft Windows 10 Version 1607 for x64-based Systems Microsoft Windows 10 Version 1809 for 32-bit Systems Microsoft Windows 10 Version 1809 for x64-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 for ARM64-based Systems Microsoft Windows 11 Version 24H2 for x64-based Systems 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 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 2022, 23H2 Edition (Server Core installation) Microsoft Windows Server 2025 Microsoft Windows Server 2025 (Server Core installation) Versie(s) : Platform(s) : Beschrijving Microsoft heeft kwetsbaarheden verholpen in Windows Een kwaadwillende kan de kwetsbaarheden misbruiken om aanvallen uit te voeren die kunnen leiden tot de volgende categorieën schade: - Denial-of-Service (DoS) - Manipulatie van gegevens - Toegang tot gevoelige gegevens - Uitvoeren van willekeurige code (gebruikersrechten) - Verkrijgen van verhoogde rechten - Omzeilen van een beveiligingsmaatregel - Spoofing ``` Windows File Server: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-24283 | 8.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Push Message Routing Service: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-24282 | 5.50 | Toegang tot gevoelige gegevens | |----------------|------|-------------------------------------| Windows Mobile Broadband: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-24288 | 6.80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Windows Ancillary Function Driver for WinSock: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-24293 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-25176 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-25178 | 7.00 | Verkrijgen van verhoogde rechten | | CVE-2026-25179 | 7.00 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Kernel: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-24287 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-24289 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-26132 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Print Spooler Components: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-23669 | 8.80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Microsoft Brokering File System: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-25167 | 7.40 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Resilient File System (ReFS): |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-23673 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Telephony Service: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-25188 | 8.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Microsoft Graphics Component: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-23668 | 7.00 | Verkrijgen van verhoogde rechten | | CVE-2026-25168 | 6.20 | Denial-of-Service | | CVE-2026-25169 | 6.20 | Denial-of-Service | | CVE-2026-25180 | 5.50 | Toegang tot gevoelige gegevens | |----------------|------|-------------------------------------| Broadcast DVR: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-23667 | 7.00 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Performance Counters: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-25165 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows System Image Manager: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-25166 | 7.80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Winlogon: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-25187 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Kerberos: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-24297 | 6.50 | Omzeilen van beveiligingsmaatregel | |----------------|------|-------------------------------------| Windows Authentication Methods: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-25171 | 7.00 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows NTFS: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-25175 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Universal Disk Format File System Driver (UDFS): |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-23672 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Shell Link Processing: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-25185 | 5.30 | Voordoen als andere gebruiker | |----------------|------|-------------------------------------| Windows Routing and Remote Access Service (RRAS): |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-25172 | 8.80 | Uitvoeren van willekeurige code | | CVE-2026-25173 | 8.00 | Uitvoeren van willekeurige code | | CVE-2026-26111 | 8.80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Windows Bluetooth RFCOM Protocol Driver: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-23671 | 7.00 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Extensible File Allocation: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-25174 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows MapUrlToZone: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-23674 | 7.50 | Omzeilen van beveiligingsmaatregel | |----------------|------|-------------------------------------| Windows Projected File System: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-24290 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Device Association Service: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-24295 | 7.00 | Verkrijgen van verhoogde rechten | | CVE-2026-24296 | 7.00 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Connected Devices Platform Service (Cdpsvc): |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-24292 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows Win32K: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-24285 | 7.00 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows App Installer: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-23656 | 5.90 | Voordoen als andere gebruiker | |----------------|------|-------------------------------------| Windows GDI: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-25190 | 7.80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Role: Windows Hyper-V: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-25170 | 7.00 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows GDI+: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-25181 | 7.50 | Toegang tot gevoelige gegevens | |----------------|------|-------------------------------------| Windows Accessibility Infrastructure (ATBroker.exe): |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-24291 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-25186 | 5.50 | Toegang tot gevoelige gegevens | |----------------|------|-------------------------------------| Windows DWM Core Library: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-25189 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Windows SMB Server: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-24294 | 7.80 | Verkrijgen van verhoogde rechten | | CVE-2026-26128 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Active Directory Domain Services: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-25177 | 8.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| ``` 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. Deze rechtskeuze geldt tevens voor de voorzieningenrechter in kort geding. -----BEGIN PGP SIGNATURE----- iQGzBAEBCgAdFiEEGSwziqblmmRNtImqgupWoL0ZhGEFAmmweugACgkQgupWoL0Z hGGVxwwAzmXuWgGsp6RsFckYRXX4wUJ8nk2ujQLp+9wiPpqfr01EAW5awDlMKj6y 7M1hoYwAR1RAi6TH8Dw7ldGmJWi2WmJY5yrcS/yfkgdoWrd47kq4xHvh/a/Ffott HhPL/GMEd8YmDcfafNq/hVT8HaQtlLy/VXpmS8d+P3fczndfGQbq+9M0934zQjSt MhdGnWicpHi5RfktteN8lz0O5iJx7MX+AdSa7V6y1jaZ7wxeAPyj6Y/Wh7afagJD DKaipP/4c7AmqgNaJ/9QWo6LkwShAFIAaNrItx2qEs0PP12wFmTpNTfauRct5fGa GZ/b+CKCXCquyN+o7olXCZv2BTQIvstLVQkmHcIM/VYWB5XKbX9hL3d1Ohog3hOG t1UDRPQIclB+NBL0j6H29xPHRhqOX5QG91doV92KnpBvYbeFgR2sm8V6ArsPOyAo lHSQFUTpoubczkqPcLf4EbfrSgdhsPhZ6nYwPD4DkcYhNUtZ6GKH27FvukwUJThQ zetvyqv1 =IFi7 -----END PGP SIGNATURE-----