Windows CVE-2026-20853
HIGHCVSS VectorNVD
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionNVD
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows WalletService allows an unauthorized attacker to elevate privileges locally.
AnalysisAI
Windows WalletService contains a race condition that permits local privilege escalation on Windows 10 and Windows 11 systems. An unauthenticated attacker with local access can exploit improper synchronization of shared resources to gain elevated privileges. …
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RemediationAI
Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.
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