Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain the privileges of the user account or service account running the affected process.
According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires an attacker to win a race condition.
Security updates
17.14.40 — https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
18.9.3 — https://learn.microsoft.com/en-us/visualstudio/releases/2026/release-notes
4.1.740301 — https://www.nuget.org/packages/Microsoft.Diagnostics.Runtime
Vulnerabilities 1
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High 7.5
.NET Elevation of Privilege Vulnerability
External control of file name or path in .NET allows an unauthorized attacker to elevate privileges over a network.
Revision history
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#1
Information published.
References
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CVE-2026-69805 .NET Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69805
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss