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Findings

CVE-2026-69651

Microsoft Security Advisory CVE-2026-69651 - .NET and Visual Studio Denial of Service Vulnerability

Published Oct 13, 2026

Microsoft heeft kwetsbaarheden verholpen in diverse componenten van de Developer Tools, zoals .NET en Visual Studio. Een kwaadwillende kan aanvallen uitvoeren die kunnen leiden tot de categoriën schade zoals weergegeven in de onderstaande tabellen. .NET: |------------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |------------------|------|-------------------------------------| | CVE-2026-58280 | 7.50 | Denial-of-Service | | CVE-2026-66822 | 5.90 | Toegang tot gevoelige gegevens | | CVE-2026-69651 | 7.50 | Denial-of-Service | | CVE-2026-70161 | 7.30 | Verkrijge

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 13, 2026 · GitLab Advisory Database

    Detected

    Microsoft is releasing this security advisory to provide information about a vulnerability in System.Security.Cryptography.Xml; System.Private.Xml. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Signed XML fixes add input-depth and operation-count limits, prohibit DTD processing by default, validate entity references, bound

Affected

  • nuget microsoft.netcore.app.runtime.linux-armversion unspecified
  • nuget microsoft.netcore.app.runtime.linux-arm64version unspecified
  • nuget microsoft.netcore.app.runtime.linux-musl-armversion unspecified
  • nuget microsoft.netcore.app.runtime.linux-musl-arm64version unspecified
  • nuget microsoft.netcore.app.runtime.linux-musl-x64version unspecified
  • nuget microsoft.netcore.app.runtime.linux-x64version unspecified
  • nuget microsoft.netcore.app.runtime.osx-arm64version unspecified
  • nuget microsoft.netcore.app.runtime.osx-x64version unspecified
  • nuget microsoft.netcore.app.runtime.win-arm64version unspecified
  • nuget microsoft.netcore.app.runtime.win-x64version unspecified
  • nuget microsoft.netcore.app.runtime.win-x86version unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-69651

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-69651

    30-day exploitation probability 1.1%

    first.org
  • GitLab Advisory DatabasePackage advisoryCVE-2026-69651

    Microsoft is releasing this security advisory to provide information about a vulnerability in System.Security.Cryptography.Xml; System.Private.Xml. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Signed XML fixes add input-depth and operation-count limits, prohibit DTD processing by default, validate entity references, bound

    advisories.gitlab.com
  • NCSC NetherlandsGovernment advisoryCVE-2026-69651

    Microsoft heeft kwetsbaarheden verholpen in diverse componenten van de Developer Tools, zoals .NET en Visual Studio. Een kwaadwillende kan aanvallen uitvoeren die kunnen leiden tot de categoriën schade zoals weergegeven in de onderstaande tabellen. .NET: |------------------|-----

    advisories.ncsc.nl