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Vulnerabilities/CVE-2024-38189
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CVE-2024-38189

Microsoft Project Remote Code Execution Vulnerability

VendormicrosoftPublishedAug 13, 2024SourceNVDWeaknessCWE-20
Act now

Actively exploited in the wild. Patch or mitigate immediately — don't wait for a maintenance window.

Severity
High · 8.8
CVSS base score
Exploitation
In the wild
CISA KEV
Predicted risk
8% model
EPSS forecast — overtaken by confirmed exploitation
Exposure
Remote
Exploitable over the network without credentials
01

What's the risk?

An unauthenticated attacker, remotely over the network, if a user is tricked into opening a malicious file or link, can fully compromise the system — steal data, tamper with it and take it offline.

Microsoft Project Remote Code Execution Vulnerability

How it's exploitedMITRE ATT&CK · inferred from weakness & vector
Execution
T1203Exploitation for Client Execution

Inferred from the weakness type (CWE) and how the flaw is reached — the techniques an attacker would chain to exploit this. Real-world corroboration appears here as threat intel is folded in.

02

Who's exploiting it?

Corroborated threat activity referencing this CVE — with source and confidence, not inference.

Confirmed exploited in the wild. CISA KEV · catalogued Aug 13, 2024

Named threat actors and observed ATT&CK techniques appear here as intel feeds are folded in — the ATT&CK chain above stays inferred until then.

03

Are we affected?

6
  • Affectedmicrosoft · 365_appsall versions
  • Affectedmicrosoft · office_2019all versions
  • Affectedmicrosoft · office_2019all versions
  • Affectedmicrosoft · office_long_term_servicing_channel
2021
  • Affectedmicrosoft · office_long_term_servicing_channel2021
  • Affectedmicrosoft · project_2016all versions
  • 04

    What to do

    Generated by Wavense from the CVE record — an immediate mitigation and the permanent fix.

    1. !

      Mitigate now

      Users should be trained to exercise extreme caution when opening unsolicited or suspicious Microsoft Project files, especially from unknown senders. Implement robust endpoint detection and response (EDR) solutions to monitor for unusual process execution or file modifications originating from Microsoft Project. Consider isolating critical systems or users that frequently handle Project files within a more restrictive network segment.

    2. ✓

      Permanent fix

      The permanent resolution involves applying the security updates released by Microsoft. Administrators should promptly deploy the latest security patches for all affected Microsoft Project installations. Ensure that all systems running Microsoft Project are updated to the latest secure version to remediate this remote code execution vulnerability.

    Technical details— weakness, CVSS vector & calculator, related CVEs

    Business impact

    An attacker can exploit this vulnerability to execute arbitrary code on the target system with the same privileges as the logged-on user. This allows for full system compromise, leading to data exfiltration, installation of malware, or further lateral movement within the network, severely impacting business operations and data confidentiality.

    Weakness

    1
    CWE-20Common Weakness Enumeration · MITRE definition

    CVSS 3.1 details

    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    0.0
    / 10.0 base
    High severity
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Exploitability metrics
    Attack VectorAV
    Remotely exploitable across a network
    Attack ComplexityAC
    No special conditions required
    Privileges RequiredPR
    No authorization needed
    User InteractionUI
    A user must take an action
    Impact metrics
    ScopeS
    Impact confined to the vulnerable component
    ConfidentialityC
    Total loss of confidentiality
    IntegrityI
    Total loss of integrity
    AvailabilityA
    Total loss of availability

    Related vulnerabilities

    Other CVEs affecting 365 apps

    NVD
    9.8Critical
    CVE-2024-21413KEVExploit likely

    Microsoft Outlook Remote Code Execution Vulnerability

    microsoftCWE-20Improper Input ValidationNetworkLow effortNo authNo interactionCIA
    2024-02-13
    NVD
    9.8Critical
    CVE-2023-23397KEVExploit likely

    Microsoft Outlook Elevation of Privilege Vulnerability

    microsoftCWE-20Improper Input ValidationNetworkLow effortNo authNo interactionCIA
    2023-03-14
    NVD
    8.8High
    CVE-2023-35311KEV

    Microsoft Outlook Security Feature Bypass Vulnerability

    microsoftCWE-367TOCTOU Race ConditionNetworkLow effortNo authUser neededCIA
    2023-07-11
    NVD
    7.8High
    CVE-2026-21514KEV

    Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.

    microsoftCWE-807LocalLow effortNo authUser neededCIA
    2026-02-10
    NVD
    7.8High
    CVE-2026-21509KEVExploit likely

    Reliance on untrusted inputs in a security decision in Microsoft Office allows an unauthorized attacker to bypass a security feature locally.

    microsoftCWE-807LocalLow effortNo authUser neededCIA
    2026-01-26
    NVD
    7.8High
    CVE-2021-42292KEV

    Microsoft Excel Security Feature Bypass Vulnerability

    microsoftLocalLow effortNo authUser neededCIA
    2021-11-10
    NVD
    7.8High
    CVE-2021-38646KEV

    Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability

    microsoftLocalLow effortNo authUser neededCIA
    2021-09-15
    NVD
    7.3High
    CVE-2024-38226KEV

    Microsoft Publisher Security Feature Bypass Vulnerability

    microsoftCWE-693Protection Mechanism FailureLocalLow effortLow privUser neededCIA
    2024-09-10
    0.0
    / 10.0 base
    High severity
    Key facts
    CVE ID
    CVE-2024-38189
    Published
    Aug 13, 2024
    Last modified
    Oct 28, 2025
    CVSS
    8.8 (v3.1)
    EPSS
    8.19%
    In CISA KEV
    Yes
    Confidence
    100/100
    Weakness
    CWE-20
    Timeline
    1. Aug 13, 2024Published to NVDNVD
    2. Oct 28, 2025Record last modifiedNVD
    3. Aug 22, 2026AI analysis generatedWavense
    View on NVD