Windows CVE-2026-20843
HIGHCVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionNVD
Improper access control in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.
AnalysisAI
Local privilege escalation in Windows RRAS affects Windows 10, Windows 11, and Windows Server 2022, allowing authenticated users to gain system-level access through improper access control mechanisms. An attacker with local user credentials can exploit this vulnerability to obtain elevated privileges on the affected system. …
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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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