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Security Advisory; NCSC-2026-0235 [1.0.0]

Security Advisory
NCSC-2026-0235 [1.0.0]
Publicatie
14-07-2026 20:37 (Europe/Amsterdam)
Prioriteit
Normaal
Betreft
Kwetsbaarheden verholpen in Microsoft Developer Tools

Kenmerken

  • Exposure of Sensitive Information to an Unauthorized Actor

Omschrijving

Microsoft heeft kwetsbaarheden verholpen in Developer Tools als .NET en Visual Studio.

Een kwaadwillende kan de kwetsbaarheden misbruiken om aanvallen uit te voeren die kunnen leiden tot schade uit de categorieën zoals genoemd in bijgevoegde tabel.

Voor succesvol misbruik moet de kwaadwillende het slachtoffer misleiden een malafide bronbestand te openen en verwerken in de ontwikkelomgeving.

Visual Studio: 
|----------------|------|-------------------------------------|
| CVE-ID         | CVSS | Impact                              |
|----------------|------|-------------------------------------|
| CVE-2026-47305 | 7.80 | Uitvoeren van willekeurige code     | 
|----------------|------|-------------------------------------|

GitHub Copilot and Visual Studio Code: 
|----------------|------|-------------------------------------|
| CVE-ID         | CVSS | Impact                              |
|----------------|------|-------------------------------------|
| CVE-2026-47282 | 6.50 | Toegang tot gevoelige gegevens      | 
|----------------|------|-------------------------------------|

Visual Studio Code: 
|----------------|------|-------------------------------------|
| CVE-ID         | CVSS | Impact                              |
|----------------|------|-------------------------------------|
| CVE-2026-45496 | 5.50 | Omzeilen van beveiligingsmaatregel  | 
| CVE-2026-50520 | 8.40 | Uitvoeren van willekeurige code     | 
| CVE-2026-57101 | 7.10 | Omzeilen van beveiligingsmaatregel  | 
| CVE-2026-57102 | 8.80 | Omzeilen van beveiligingsmaatregel  | 
|----------------|------|-------------------------------------|

.NET Framework: 
|----------------|------|-------------------------------------|
| CVE-ID         | CVSS | Impact                              |
|----------------|------|-------------------------------------|
| CVE-2026-50524 | 7.50 | Denial-of-Service                   | 
| CVE-2026-50527 | 7.50 | Denial-of-Service                   | 
| CVE-2026-50646 | 7.80 | Uitvoeren van willekeurige code     | 
| CVE-2026-50648 | 7.50 | Denial-of-Service                   | 
| CVE-2026-50650 | 7.80 | Uitvoeren van willekeurige code     | 
|----------------|------|-------------------------------------|

ASP.NET Core: 
|----------------|------|-------------------------------------|
| CVE-ID         | CVSS | Impact                              |
|----------------|------|-------------------------------------|
| CVE-2026-47300 | 8.80 | Verkrijgen van verhoogde rechten    | 
| CVE-2026-47303 | 8.80 | Verkrijgen van verhoogde rechten    | 
| CVE-2026-50506 | 7.50 | Denial-of-Service                   | 
| CVE-2026-56170 | 7.50 | Denial-of-Service                   | 
| CVE-2026-45646 | 7.50 | Denial-of-Service                   | 
|----------------|------|-------------------------------------|

.NET: 
|----------------|------|-------------------------------------|
| CVE-ID         | CVSS | Impact                              |
|----------------|------|-------------------------------------|
| CVE-2026-47302 | 7.50 | Denial-of-Service                   | 
| CVE-2026-47304 | 8.10 | Omzeilen van beveiligingsmaatregel  | 
| CVE-2026-50525 | 7.50 | Denial-of-Service                   | 
| CVE-2026-50526 | 7.00 | Manipulatie van gegevens            | 
| CVE-2026-50528 | 8.20 | Omzeilen van beveiligingsmaatregel  | 
| CVE-2026-50649 | 7.80 | Uitvoeren van willekeurige code     | 
| CVE-2026-50651 | 7.50 | Denial-of-Service                   | 
| CVE-2026-50659 | 6.50 | Voordoen als andere gebruiker       | 
|----------------|------|-------------------------------------|

.NET Core: 
|----------------|------|-------------------------------------|
| CVE-ID         | CVSS | Impact                              |
|----------------|------|-------------------------------------|
| CVE-2026-57108 | 7.50 | Denial-of-Service                   | 
|----------------|------|-------------------------------------|

GitHub Copilot and Visual Studio: 
|----------------|------|-------------------------------------|
| CVE-ID         | CVSS | Impact                              |
|----------------|------|-------------------------------------|
| CVE-2026-41109 | 8.80 | Omzeilen van beveiligingsmaatregel  | 
|----------------|------|-------------------------------------|

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

CVE's

Producten

Microsoft
.NET
.NET 10.0 installed on Linux
.NET 10.0 installed on Mac OS
.NET 10.0 installed on Windows
.NET 8.0 installed on Linux
.NET 8.0 installed on Mac OS
.NET 8.0 installed on Windows
.NET 9.0 installed on Linux
.NET 9.0 installed on Mac OS
.NET 9.0 installed on Windows
.NET Framework
Azure
Microsoft Visual Studio 2022 version 17.14
Microsoft Visual Studio Code
Microsoft Visual Studio Code CoPilot Chat Extension
Microsoft.AspNet.OData
Microsoft.AspNetCore.OData
Visual Studio 2017
Visual Studio 2019
Visual Studio 2022
Visual Studio 2026
Visual Studio Code

Disclaimer

The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions: NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein. NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory. This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings.