Findings

CVE-2024-38189

Microsoft Project Remote Code Execution Vulnerability

Published Aug 13, 2024 · corrected/updated Jun 17, 2026 · microsoft 365 apps · evidence confidence very high

Microsoft Project contains an unspecified vulnerability that allows for remote code execution via a malicious file.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2024-38189 is a high public vulnerability record for microsoft 365 apps. CISA lists it as known exploited. Published remediation guidance: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether microsoft 365 apps is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: microsoft/365 apps; microsoft/office 2019; microsoft/office long term servicing channel (2021); microsoft/project 2016. Published remediation guidance: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 8.8, EPSS 8.2%. CISA lists it as known exploited. Weakness classes: CWE-20. Sources contributing to this record: cisa_kev, cve_org, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since Aug 13, 2024. Listed in the CISA Known Exploited Vulnerabilities catalog.

  • Patch and remediation

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA due date Sep 3, 2024.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

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. Aug 13, 2024 · Catalog

    Detected

    Microsoft Project contains an unspecified vulnerability that allows for remote code execution via a malicious file.

  2. Aug 13, 2024 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  3. Sep 3, 2024 · CISA KEV

    Remediation due

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  4. Jun 17, 2026 · Catalog

    Updated

    Microsoft Project contains an unspecified vulnerability that allows for remote code execution via a malicious file.

Affected

  • cpe microsoft/365 appsversion unspecified
  • cpe microsoft/office 2019version unspecified
  • cpe microsoft/office long term servicing channel2021
  • cpe microsoft/project 2016version unspecified
  • vendor Microsoft Projectversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2024-38189

    Microsoft Project contains an unspecified vulnerability that allows for remote code execution via a malicious file.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2024-38189

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2024-38189

    30-day exploitation probability 8.2%

    first.org
  • NIST NVDVulnerability recordCVE-2024-38189

    Microsoft Project Remote Code Execution Vulnerability

    nvd.nist.gov

References