CVE-2022-26925: in the CISA KEV catalogue
Microsoft Windows LSA Spoofing Vulnerability. CISA added CVE-2022-26925 to the Known Exploited Vulnerabilities catalogue on 2022-07-01 with a default due date of 2022-07-22. Known ransomware campaign use: Unknown. Forensic triage flag: No.
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. (CISA description)
- Vendor / product
- Microsoft Windows
- CWE
- CWE-306
- CISA required action
- Apply remediation actions outlined in CISA guidance [https://www.cisa.gov/guidance-applying-june-microsoft-patch].
- EPSS
- 10%, percentile 95 (scored 2026-11-03)
EPSS puts about 10 in 100 odds (10%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 95% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.
Vendor and reference links (from CISA)
Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.
Frequently asked questions
Is CVE-2022-26925 in the CISA KEV catalogue?
Yes. CISA added CVE-2022-26925 (Microsoft Windows LSA Spoofing Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2022-07-01. CISA's default due date for it is 2022-07-22.
Is CVE-2022-26925 used in ransomware attacks?
CISA marks known ransomware campaign use as Unknown for CVE-2022-26925. That means CISA lacks confirmation, not that ransomware groups do not use it.
What should I do about CVE-2022-26925?
CISA's required action: Apply remediation actions outlined in CISA guidance [https://www.cisa.gov/guidance-applying-june-microsoft-patch].
Sources
- CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
- FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
- NVD record for CVE-2022-26925