CVE-2022-26925
Microsoft Windows LSA Spoofing Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 22 July 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Windows LSA Spoofing Vulnerability
- CVSS 3.1
- 5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 10.48% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 1 July 2022 · due 22 July 2022
- Weakness
- CWE-306
- Affected
- microsoft/windows 10 1507 · microsoft/windows 10 1607 · microsoft/windows 10 1809 · microsoft/windows 10 1909 · microsoft/windows 10 20h2 · microsoft/windows 10 21h1 · microsoft/windows 10 21h2 · microsoft/windows 11 21h2 · microsoft/windows 7 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019 · microsoft/windows server 2022 · microsoft/windows server 20h2
- Source
- secure@microsoft.com
EPSS 10.5% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply remediation actions outlined in CISA guidance [https://www.cisa.gov/guidance-applying-june-microsoft-patch]. 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
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26925Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26925Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26925US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.