High severity7.5NVD Advisory· Published Sep 8, 2026· Updated Sep 29, 2026
CVE-2026-69805
CVE-2026-69805
Description
External control of file name or path in .NET allows an unauthorized attacker to elevate privileges over a network.
Affected products
4- cpe:2.3:a:microsoft:microsoft.diagnostics.runtime:*:*:*:*:*:*:*:*Range: <4.1.740301
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*range: >=17.14.0,<17.14.40
- cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*range: >=18.9.0,<18.9.3
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69805nvdVendor Advisory
News mentions
2- Patch Tuesday - September 2026Rapid7 Blog · Sep 8, 2026
- Massive Microsoft Patch Tuesday September 2026 – 973 Vulnerabilities Fixed, Including 2 Zero-DaysCyber Security News · Sep 8, 2026