Windows CVE-2026-20844
HIGHCVSS VectorNVD
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionNVD
Use after free in Windows Clipboard Server allows an unauthorized attacker to elevate privileges locally.
AnalysisAI
Windows Clipboard Server contains a use-after-free vulnerability affecting Windows 10 (versions 21H2 and 1809) and Windows Server 2022 (23H2) that enables local privilege escalation without requiring user interaction. An attacker with local access can exploit this memory safety flaw to gain elevated system 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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