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PatchSiren cyber security CVE debrief

CVE-2022-34713 Microsoft CVE debrief

CVE-2022-34713 is a Microsoft Windows Support Diagnostic Tool (MSDT) remote code execution vulnerability that CISA added to its Known Exploited Vulnerabilities catalog on 2022-08-09. Because it is listed as known exploited and CISA set a remediation due date of 2022-08-30, it should be treated as urgent patching work for Windows environments.

Vendor
Microsoft
Product
Windows
CVSS
HIGH 7.8
CISA KEV
Listed
Original CVE published
2022-08-09
Original CVE updated
2022-08-09
Advisory published
2022-08-09
Advisory updated
2022-08-09

Who should care

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

Technical summary

The supplied corpus identifies CVE-2022-34713 as a Microsoft Windows MSDT remote code execution vulnerability. CISA’s KEV entry indicates the issue is known to be exploited and directs defenders to apply vendor updates. The corpus does not provide a CVSS score, exploit chain details, or affected build list, so remediation should be driven by the official Microsoft and CISA guidance linked in the source materials.

Defensive priority

Urgent

Recommended defensive actions

  • Apply Microsoft updates and follow vendor instructions as directed by CISA.
  • Prioritize remediation for all Windows systems that use or expose MSDT-related functionality.
  • Verify patch deployment across the fleet and confirm systems are no longer missing the relevant update.
  • Use the official CVE, NVD, and CISA KEV records to track remediation status and any vendor guidance updates.

Evidence notes

CISA’s Known Exploited Vulnerabilities entry lists CVE-2022-34713 as a Microsoft Windows MSDT remote code execution vulnerability with dateAdded 2022-08-09, dueDate 2022-08-30, knownRansomwareCampaignUse marked Unknown, and requiredAction 'Apply updates per vendor instructions.' The source item metadata also references the Microsoft update guide and the NVD detail page. No CVSS score was provided in the supplied corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2022-34713 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2022-34713

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

  • CVE-2022-34713 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2022-34713

    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.