CVE-2026-20825

MEDIUM

Windows 10 1809 and Windows Server 2019 < 10.0.17763.8276 - Authenticated Information Disclosure

Title source: llm
STIX 2.1

Description

Improper access control in Windows Hyper-V allows an authorized attacker to disclose information locally.

References (1)

Core 1
Core References

Scores

CVSS v3 4.4
EPSS 0.0006
EPSS Percentile 17.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-284
Status published
Products (23)
Microsoft/Windows 10 Version 1809 10.0.17763.0 - 10.0.17763.8276
Microsoft/Windows 10 Version 21H2 10.0.19044.0 - 10.0.19044.6809
Microsoft/Windows 10 Version 22H2 10.0.19045.0 - 10.0.19045.6809
Microsoft/Windows 11 version 22H3 10.0.22631.0 - 10.0.22631.6491
Microsoft/Windows 11 Version 23H2 10.0.22631.0 - 10.0.22631.6491
Microsoft/Windows 11 Version 24H2 10.0.26100.0 - 10.0.26100.7623
Microsoft/Windows 11 Version 25H2 10.0.26200.0 - 10.0.26200.7623
Microsoft/Windows Server 2019 10.0.17763.0 - 10.0.17763.8276
Microsoft/Windows Server 2019 (Server Core installation) 10.0.17763.0 - 10.0.17763.8276
Microsoft/Windows Server 2022 10.0.20348.0 - 10.0.20348.4648
... and 13 more
Published Jan 13, 2026
Tracked Since Feb 18, 2026