CVEvulnerability

CVE-2022-26925

5.9 MEDIUM Known exploited Published 2022-05-10 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Microsoft Windows LSA Spoofing Vulnerability — Microsoft Windows

Microsoft Windows Local Security Authority (LSA) contains a spoofing vulnerability where an attacker can coerce the domain controller to authenticate to the attacker using NTLM.

Added to KEV: 2022-07-01
Remediation due: 2022-07-22
Ransomware use: Unknown
Required action: Apply remediation actions outlined in CISA guidance [https://www.cisa.gov/guidance-applying-june-microsoft-patch].
Notes: WARNING: This update is required on all Microsoft Windows endpoints but if deployed to domain controllers without additional configuration changes the update breaks PIV/CAC authentication. Read CISA implementation guidance carefully before deploying to domain controllers.; https://nvd.nist.gov/vuln/detail/CVE-2022-26925

Status: Analyzed
Published: 2022-05-10
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 8.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected]): 5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0 ([email protected]): 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
Weaknesses: CWE-306

Description

Windows LSA Spoofing Vulnerability

Affected configurations

• microsoft windows 10 1507 (< 10.0.10240.19297) • microsoft windows 10 1607 (< 10.0.14393.5125) • microsoft windows 10 1809 (< 10.0.17763.2928) • microsoft windows 10 1909 (< 10.0.18363.2274) • microsoft windows 10 20h2 (< 10.0.19042.1706) • microsoft windows 10 21h1 (< 10.0.19043.1706) • microsoft windows 10 21h2 (< 10.0.19044.1706) • microsoft windows 11 21h2 (< 10.0.22000.675) • microsoft windows 7 • microsoft windows 8.1 • microsoft windows rt 8.1 • microsoft windows server 2008 • microsoft windows server 2008 r2 • microsoft windows server 2012 • microsoft windows server 2012 r2 • microsoft windows server 2016 (< 10.0.14393.5125) • microsoft windows server 2019 (< 10.0.17763.2928) • microsoft windows server 2022 (< 10.0.20348.707) • microsoft windows server 20h2 (< 10.0.19042.1706)

Weakness · CWE (1)

CWE-306 Missing Authentication for Critical Functionality weakness

References