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CVE-2022-41125 Microsoft CVE debrief

CVE-2022-41125 is a Microsoft Windows privilege escalation vulnerability affecting the CNG Key Isolation Service. CISA added it to the Known Exploited Vulnerabilities (KEV) catalog on 2022-11-08, which means the issue was already known to be exploited in the wild and should be treated as urgent for defenders.

Vendor
Microsoft
Product
Windows
CVSS
HIGH 7.8
CISA KEV
Listed
Original CVE published
2022-11-08
Original CVE updated
2022-11-08
Advisory published
2022-11-08
Advisory updated
2022-11-08

Who should care

Windows administrators, endpoint security teams, vulnerability management teams, and incident response teams responsible for Microsoft Windows systems.

Technical summary

The available source material identifies this as a privilege escalation vulnerability in the Windows CNG Key Isolation Service. CISA’s KEV listing marks the issue as known exploited and directs organizations to apply vendor updates. No additional technical mechanism, attack chain, or affected-version detail is provided in the supplied corpus.

Defensive priority

High. Because this CVE is listed in CISA KEV, it should be prioritized ahead of routine patch queues and remediated according to Microsoft guidance as soon as possible.

Recommended defensive actions

  • Apply Microsoft updates per vendor instructions for CVE-2022-41125.
  • Use asset inventory to identify Windows systems that may be affected and verify patch status.
  • Prioritize remediation for internet-facing, high-value, and privilege-bearing Windows endpoints.
  • Validate that patch deployment completed successfully across the environment.
  • Review security monitoring for signs of suspicious privilege escalation activity on Windows hosts.

Evidence notes

CISA’s Known Exploited Vulnerabilities catalog lists CVE-2022-41125 with vendorProject Microsoft, product Windows, dateAdded 2022-11-08, dueDate 2022-12-09, and requiredAction: “Apply updates per vendor instructions.” The supplied KEV metadata also references the Microsoft Security Response Center advisory and the NVD detail page. The source corpus does not provide a CVSS score or additional exploit details.

Sources and references

Verified primary and authoritative sources

  • CVE-2022-41125 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2022-41125

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2022-41125 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2022-41125

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.