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CVE-2026-69522GHSA-2J8R-3C22-8565

.NET and Visual Studio Remote Code Execution Vulnerability

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 10.0.12, 11.0 RC1, 8.0.31, 9.0.20, 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4145.0, and 9 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.

Timeline

  1. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  2. CVE published
  3. Record last updated

Affected versions

  • Microsoft .NET 10.0

    From 10.0.0 · fixed in 10.0.12

  • Microsoft .NET 11.0

    From 11.0.0 · fixed in 11.0 RC1

  • Microsoft .NET 8.0

    From 8.0.0 · fixed in 8.0.31

  • Microsoft .NET 9.0

    From 9.0.0 · fixed in 9.0.20

  • Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2

    From 3.0.0.0 · fixed in 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4145.0

  • Microsoft Microsoft .NET Framework 3.5 AND 4.7.2

    From 4.7.0 · fixed in 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4145.0

  • Microsoft Microsoft .NET Framework 3.5 AND 4.8

    From 4.8.0 · fixed in 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4806.0

  • Microsoft Microsoft .NET Framework 3.5 AND 4.8.1

    From 4.8.1 · fixed in 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9347.0

  • Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2

    From 4.7.0 · fixed in 4.7.4145.0

  • Microsoft Microsoft .NET Framework 4.8

    From 4.8.0 · fixed in 4.8.4806.0

  • Microsoft Microsoft .NET Framework 4.8.1

    From 4.8.0.0 · fixed in 4.8.9347.0

  • Microsoft Microsoft Visual Studio 2022 version 17.14

    From 17.14.0 · fixed in 17.14.40

  • Microsoft Microsoft Visual Studio 2026 version 18.9

    From 18.9.0 · fixed in 18.9.3

  • Microsoft.DiaSymReader.NativeNuGet

    From 17.10.0-beta1.24272.1 · fixed in 18.9.0-beta1.26405.2

References 1

msrc.microsoft.com