Windows CVE-2026-20877
HIGHCVSS VectorNVD
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionNVD
Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.
AnalysisAI
Privilege escalation in Windows Management Services affects Windows 10 22h2, Windows Server 2022 23h2, and Windows 11 23h2 through a use-after-free memory flaw. An authenticated local attacker can exploit this vulnerability 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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