Vulnerability in Microsoft Windows 10 Version 1607
CVE-2026-72931
Missing release of resource after effective lifetime in Windows Secure Socket Tunneling Protocol (SSTP) allows an authorized attacker to deny service locally.
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Microsoft Windows 10 Version 1607
- Microsoft Windows 10 Version 1809
- Microsoft Windows 10 Version 21h2
- Microsoft Windows 10 Version 22h2
- Microsoft Windows 11 Version 23h2
- Microsoft Windows 11 Version 24h2
- Microsoft Windows 11 Version 25h2
- Microsoft Windows 11 Version 26h1
- Microsoft Windows Server 2012
- Microsoft Windows Server 2012 R2
Weakness classification (CWE)
References
- secure@microsoft.com (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-72931?
- CVE-2026-72931 is a medium-severity vulnerability in Microsoft Windows 10 Version 1607, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 4.7/10. Published 2026-09-08.
- How severe is CVE-2026-72931?
- Medium severity. CVSS v3 base score is 4.7 out of 10.