VULNERABILITY INTELLIGENCE

CVE-2026-20926

CVSS score7.5 HIGH
EPSS probability0.80%
CISA KEVNot currently listed
Published2026-01-13
Last modified2026-07-30
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

Weakness classification

  • secure@microsoft.com: CWE-362

Primary references