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Microsoft Security Response CenterCVE-2026-69805

.NET Elevation of Privilege Vulnerability

External control of file name or path in .NET allows an unauthorized attacker to elevate privileges over a network.

Read the vendor bulletin Get alerts for Microsoft Visual Studio
7.5CVSS out of 10High severity
Scope

What the vendor says is affected

  • Microsoft Visual Studio 2022 version 17.14
  • Microsoft Visual Studio 2026 version 18.9
  • Microsoft.Diagnostics.Runtime

Versions the vendor lists as fixed

  • 17.14.40
  • 18.9.3
  • 4.1.740301
Next step

What the vendor recommends

Release Notes

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-69805View CVSS, KEV, EPSS, and threat context
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