What is CVE-2026-69805?

CVE-2026-69805 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. .NET Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2026-69805 cover?

CVE-2026-69805 covers the following CVE IDs: CVE-2026-69805. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-69805?

CVE-2026-69805 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-69805?

CVE-2026-69805 affects 3 products, including: Microsoft Visual Studio 2022 version 17.14; Microsoft Visual Studio 2026 version 18.9; Microsoft.Diagnostics.Runtime.

CVE-2026-69805HighCVSS 7.5

.NET Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

September 11, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-69805 →

📋 Description

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

🎯 Affected products3

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

✅ Remediation

KBRelease Notes (Security Update) — fixed build 17.14.40 KBRelease Notes (Security Update) — fixed build 18.9.3 KBRelease Notes (Security Update) — fixed build 4.1.740301

🔗 References (6)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69805
patchhttps://www.catalog.update.microsoft.com/Search.aspx?q=Visual Studio 2022 17.14.40
referencehttps://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
patchhttps://www.catalog.update.microsoft.com/Search.aspx?q=Visual Studio 2026 18.9.3
referencehttps://learn.microsoft.com/en-us/visualstudio/releases/2026/release-notes
patchhttps://www.nuget.org/packages/Microsoft.Diagnostics.Runtime