Windows 10 1809
CVE-2026-20825
MEDIUM
Severity by source
AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Primary rating from Vendor (microsoft) · only source for this CVE.
CVSS VectorVendor: microsoft
Lifecycle Timeline
2DescriptionCVE.org
Improper access control in Windows Hyper-V allows an authorized attacker to disclose information locally.
AnalysisAI
Improper access control in Windows Hyper-V enables privileged local users to read sensitive system information without authorization. The vulnerability affects Windows 10 (versions 21H2 and 22H2), Windows Server 2025, and Hyper-V implementations where an authenticated attacker with high privileges can bypass security controls to access confidential data. Currently no patch is available for this medium-severity issue.
Technical ContextAI
Classified as CWE-284 (Improper Access Control). Affects Windows 10 1809. Improper access control in Windows Hyper-V allows an authorized attacker to disclose information locally.
RemediationAI
Monitor vendor advisories for a patch.
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Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
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External POC / Exploit Code
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