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PatchSiren cyber security CVE debrief

CVE-2024-38189 Microsoft CVE debrief

CVE-2024-38189 affects Microsoft Project and is listed by CISA in the Known Exploited Vulnerabilities catalog, which means it has been flagged by a trusted authority as actively exploited in the wild. The supplied corpus does not include full technical details or CVSS data, but the KEV listing alone makes this a high-priority issue for any environment that uses Microsoft Project. CISA’s required action is to apply vendor mitigations or discontinue use of the product if mitigations are unavailable.

Vendor
Microsoft
Product
Project
CVSS
HIGH 8.8
CISA KEV
Listed
Original CVE published
2024-08-13
Original CVE updated
2024-08-13
Advisory published
2024-08-13
Advisory updated
2024-08-13

Who should care

Security and IT teams that manage Microsoft Project deployments, endpoint and application patching, vulnerability management, and any organization that may have exposed or widely installed Project clients.

Technical summary

The vulnerability is described as a Microsoft Project remote code execution issue. Based on the supplied source corpus, the key technical fact is that it is included in CISA’s KEV catalog, indicating known exploitation. The corpus does not provide attack prerequisites, affected versions, or exploit mechanics, so those details should be confirmed in Microsoft’s advisory and related official records.

Defensive priority

Urgent. KEV inclusion means the issue should be treated as a top remediation item, with action prioritized before the CISA due date of 2024-09-03.

Recommended defensive actions

  • Review Microsoft’s official guidance for CVE-2024-38189 and apply any available update or mitigation immediately.
  • If mitigations are unavailable, follow CISA’s direction to discontinue use of the product until it can be secured.
  • Inventory where Microsoft Project is installed and confirm which systems are exposed or need remediation.
  • Prioritize remediation before the CISA KEV due date of 2024-09-03.
  • Monitor affected systems for unusual application behavior and validate patch status after remediation.

Evidence notes

This debrief is based only on the supplied source corpus and official links. The strongest evidence is the CISA KEV entry naming Microsoft Project as a known exploited vulnerability with dateAdded 2024-08-13 and dueDate 2024-09-03. The CVE.org and NVD links are included as official references, but their page contents were not provided in the corpus, so no additional technical claims are made here.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-38189 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-38189

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

  • CVE-2024-38189 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-38189

    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.