Description

Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.

Related CPE's

o

microsoft

windows_10_1607

2

o

microsoft

windows_10_1809

2

o

microsoft

windows_10_21h2

Vulnerable

o

microsoft

windows_10_22h2

Vulnerable

o

microsoft

windows_11_23h2

Vulnerable

o

microsoft

windows_11_24h2

Vulnerable

o

microsoft

windows_11_25h2

Vulnerable

o

microsoft

windows_server_2008

3

o

microsoft

windows_server_2012

2

o

microsoft

windows_server_2016

Vulnerable

o

microsoft

windows_server_2019

Vulnerable

o

microsoft

windows_server_2022

Vulnerable

o

microsoft

windows_server_2022_23h2

Vulnerable

o

microsoft

windows_server_2025

Vulnerable

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20875

Vendor Advisory

Weaknesses

[email protected]

Primary
CWE-476

CVSS impact metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.5 · High

Information

Source identifier

[email protected]

Vulnerability status

Analyzed

Published

2026-01-13T18:16:17.483Z

2 days ago

Last modified

2026-01-15T21:37:12.087Z

2 hours ago