What’s Vulnerable › Vulnerabilities
CVE-2026-77907: Visual Studio Remote Code Execution Vulnerability
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.8% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-08 · updated 2026-10-30
- Weakness: CWE-122
Description
Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.
Affected products
- Microsoft Visual Studio 2026 version 18.9: from 18.9.0 before 18.9.3 — fixed in 18.9.3
- Microsoft Visual Studio 2026 version 18.9: from 18.9.0 before 18.9.3 — fixed in 18.9.3
How to fix
Upgrade to a fixed version: Microsoft Visual Studio 2026 version 18.9 18.9.3; Microsoft Visual Studio 2026 version 18.9 18.9.3. Check the vendor advisory for mitigations.
References
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