Windows CVE-2026-20847
MEDIUMCVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
2DescriptionNVD
Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to perform spoofing over a network.
AnalysisAI
Windows Shell information disclosure in Windows 10, 11, and Server 2019/2022 permits authenticated network attackers to conduct spoofing attacks by accessing sensitive data. The vulnerability requires valid credentials and network access, with no active exploits currently documented. …
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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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