Visual Studio Remote Code Execution Vulnerability
CVE-2026-77907

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Visual Studio 2026 Version 18.9
Vendor
CVE Published:
8 September 2026

What is CVE-2026-77907?

Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.

Affected Version(s)

Microsoft Visual Studio 2026 version 18.9 18.9.0 < 18.9.3

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.