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CVE-2022-26925: Microsoft Windows LSA Spoofing Vulnerability

criticalknown exploitedCVE-2022-26925
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Microsoftproduct: Windows Local Security Authority (LSA)Other
What
A spoofing vulnerability allows an attacker to coerce the domain controller to authenticate to them.
Who is affected
Users of Microsoft Windows with vulnerable configurations.
Urgency
Immediate remediation is necessary due to active exploitation and critical severity.
Action
Update to the latest version of Windows.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-07-01
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-26925

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2022-26925coverage & exploitation statusNVD · CVE.org

Recent advisories for Microsoft Windows LSA

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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