Windows CVE-2026-20821
MEDIUMCVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
2DescriptionNVD
Exposure of sensitive information to an unauthorized actor in Windows Remote Procedure Call allows an unauthorized attacker to disclose information locally.
AnalysisAI
Windows RPC implementation leaks sensitive information to local attackers on Windows 10, Windows 11, and Windows Server 2022. An unauthenticated local attacker can exploit this information disclosure vulnerability without user interaction to access confidential data. …
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RemediationAI
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review data exposure and access controls.
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