CVE-2026-72931: Windows Secure Socket Tunneling Protocol (SSTP) Denial of Service Vulnerability
Missing release of resource after effective lifetime in Windows Secure Socket Tunneling Protocol (SSTP) allows an authorized attacker to deny service locally.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72931
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-72931 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for Windows Secure Socket
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- criticalCVE-2026-73009: Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attac…nvd · 2026-09-08
- mediumCVE-2026-72931: Missing release of resource after effective lifetime in Windows Secure Socket Tunneling Protoc…nvd · 2026-09-08
- highCVE-2026-72930: Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an authorized attacke…nvd · 2026-09-08
- highCVE-2026-71332: Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an authorized attacke…nvd · 2026-09-08
- highCVE-2026-72930: Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerabilitymsrc · 2026-09-08
- highCVE-2026-71332: Windows Secure Socket Tunneling Protocol (SSTP) Elevation of Privilege Vulnerabilitymsrc · 2026-09-08
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