Windows 11 24h2 CVE-2026-21221
HIGHCVSS VectorNVD
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionNVD
Concurrent execution using shared resource with improper synchronization ('race condition') in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.
AnalysisAI
Privilege escalation in Windows 11 and Windows Server 2025 Capability Access Management Service results from a race condition in resource synchronization, enabling authenticated local users to gain elevated system privileges. The vulnerability affects multiple recent Windows versions (24h2 and 25h2) and currently lacks a patch. …
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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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