CVE-2026-72931

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 24/100
Published: 2026-09-08 Modified: 2026-10-30 First seen: 2026-10-30 Status: active

Attack Surface

No Interaction

CVSS Vector Breakdown

AV: Local
AC: High
PR: Low
UI: None
S: Unchanged
C: None
I: None
A: High

Description

Missing release of resource after effective lifetime in Windows Secure Socket Tunneling Protocol (SSTP) allows an authorized attacker to deny service locally.

Affected Software (20)

VendorProductVersion
Microsoft Windows 10 Version 1607 10.0.14393.0 < 10.0.14393.9512
Microsoft Windows 10 Version 1809 10.0.17763.0 < 10.0.17763.9245
Microsoft Windows 10 Version 21H2 10.0.19044.0 < 10.0.19044.7725
Microsoft Windows 10 Version 22H2 10.0.19045.0 < 10.0.19045.7725
Microsoft Windows 11 Version 23H2 10.0.22631.0 < 10.0.22631.7582
Microsoft Windows 11 Version 24H2 10.0.26100.0 < 10.0.26100.9445
Microsoft Windows 11 Version 25H2 10.0.26200.0 < 10.0.26200.9445
Microsoft Windows 11 version 23H2 10.0.22631.0 < 10.0.22631.7582
Microsoft Windows 11 version 26H1 10.0.28000.0 < 10.0.28000.2954
Microsoft Windows Server 2012 6.2.9200.0 < 6.2.9200.26349
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 < 6.2.9200.26349
Microsoft Windows Server 2012 R2 6.3.9600.0 < 6.3.9600.23398
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 < 6.3.9600.23398
Microsoft Windows Server 2016 10.0.14393.0 < 10.0.14393.9512
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 < 10.0.14393.9512
Microsoft Windows Server 2019 10.0.17763.0 < 10.0.17763.9245
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 < 10.0.17763.9245
Microsoft Windows Server 2022 10.0.20348.0 < 10.0.20348.5622
Microsoft Windows Server 2025 10.0.26100.0 < 10.0.26100.33438
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 < 10.0.26100.33438

References & Advisories (1)

Bug Bounty Relevance

24 / 100
✓ No user interaction

CVSS Score

4.7 / 10.0 v3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.34%
Raw Score 0.003440
Percentile 27.9%
Date 2026-10-30

Intelligence Sources

mitre ref →