High severity8.8NVD Advisory· Published Sep 8, 2026· Updated Sep 10, 2026
CVE-2026-77907
CVE-2026-77907
Description
Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.
Affected products
2cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*range: >=18.9.0,<18.9.3
- (no CPE)
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77907nvdPatchVendor 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