Windows
CVE-2026-20847
MEDIUM
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
2DescriptionCVE.org
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. No patch is available at this time.
Technical ContextAI
Classified as CWE-200 (Information Exposure). Affects Windows 10 1607. Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to perform spoofing over a network.
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
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Same weakness CWE-200 – Information Exposure
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External POC / Exploit Code
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