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Vulnerabilities

Vulnerability · CVE-2022-26925

Microsoft Windows LSA Spoofing Vulnerability

Published May 10, 2022 · catalog updated Jun 16, 2026 · Microsoft Windows

Patch now

CVE-2022-26925 is in the CISA known-exploited catalog, due Jul 22, 2022. Confirm Microsoft Windows against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Medium5.9
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
10.48%
Remediation
Remediation guidance
Affected products
cpe microsoft/windows 10 1507 · cpe microsoft/windows 10 1607 · cpe microsoft/windows 10 1809 · cpe microsoft/windows 10 1909 · cpe microsoft/windows 10 20h2 · cpe microsoft/windows 10 21h1

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/windows 10 1507version unspecified
  • cpe microsoft/windows 10 1607version unspecified
  • cpe microsoft/windows 10 1809version unspecified
  • cpe microsoft/windows 10 1909version unspecified
  • cpe microsoft/windows 10 20h2version unspecified
  • cpe microsoft/windows 10 21h1version unspecified
  • cpe microsoft/windows 10 21h2version unspecified
  • cpe microsoft/windows 11 21h2version unspecified
  • vendor Microsoft Windowsversion unspecified

How to fix CVE-2022-26925

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2022-26925 is in the CISA known-exploited catalog, due Jul 22, 2022. Confirm Microsoft Windows against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediation actions outlined in CISA guidance [https://www.cisa.gov/guidance-applying-june-microsoft-patch].

What should an analyst verify?

CWE-306: Missing Authentication for Critical Function. EPSS 10.48%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 10, 2022 · Catalog

    Detected

    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.

  2. Jul 1, 2022 · CISA KEV

    Known exploited

    Apply remediation actions outlined in CISA guidance [https://www.cisa.gov/guidance-applying-june-microsoft-patch].

  3. Jul 22, 2022 · CISA KEV

    Remediation due

    Apply remediation actions outlined in CISA guidance [https://www.cisa.gov/guidance-applying-june-microsoft-patch].

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2022-26925

    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.gov
  • CVE.orgVulnerability recordCVE-2022-26925

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-26925

    30-day exploitation probability 10.5%

    first.org
  • NIST NVDVulnerability recordCVE-2022-26925

    Windows LSA Spoofing Vulnerability

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2022-26925

    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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.