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CVE-2026-20854
HIGH7.5
Description
Use after free in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to execute code over a network.
CVE Details
CVSS v3.1 Score7.5
SeverityHIGH
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack VectorNETWORK
ComplexityHIGH
Privileges RequiredLOW
User InteractionNONE
Published1/13/2026
Last Modified1/15/2026
Sourcenvd
Honeypot Sightings0
Affected Products
microsoft:windows_11_24h2microsoft:windows_11_25h2microsoft:windows_server_2025
Weaknesses (CWE)
CWE-416
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20854(secure@microsoft.com)
IOC Correlations
No correlations recorded
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