Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (microsoft) · only source for this CVE.
CVSS VectorVendor: microsoft
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Media allows an authorized attacker to elevate privileges locally.
AnalysisAI
Local privilege escalation in the Windows Media component of Windows 11 (versions 24H2, 25H2, and 26H1) allows an already-authenticated local attacker to win a race condition and gain SYSTEM-level privileges. Rated CVSS 7.8 (High), the flaw stems from improper synchronization of a shared resource; there is no public exploit identified at time of analysis and it is not listed in CISA KEV. …
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Recommended ActionAI
Within 24 hours, inventory all Windows 11 systems running versions 24H2, 25H2, or 26H1 and document their current patch levels. …
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Same weakness CWE-362 – Race Condition
View allSame technique Race Condition
View allShare
External POC / Exploit Code
Leaving vuln.today
EUVD-2026-44131
GHSA-w35c-cm4w-qjv3