⚠ Actively exploited
Added to CISA KEV on 2024-08-13. Federal agencies required to patch by 2024-09-03. Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable..

CVE-2024-38189 — Improper Input Validation in Microsoft 365 Apps FOR Enterprise

CWE-20 — Improper Input Validation18 documents12 sources
Severity
8.8HIGHNVD
EPSS
43.7%
top 2.47%
CISA KEV
KEV
Added 2024-08-13
Due 2024-09-03
Exploit
Exploited in wild
Active exploitation observed
Affected products
6
Microsoft 365 Apps FOR EnterpriseMicrosoft Office 2019Microsoft Office Ltsc 2021+3 more
Timeline
PublishedAug 13
KEV addedAug 13
KEV dueSep 3
CISA Required Action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Description

Microsoft Project Remote Code Execution Vulnerability

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages6 packages

▶NVDmicrosoft/project_2016< 16.0.5461.1001
▶CVEListV5microsoft/microsoft_project_201616.0.0.0 — 16.0.5461.1001
▶CVEListV5microsoft/microsoft_office_201919.0.0 — https://aka.ms/OfficeSecurityReleases
▶CVEListV5microsoft/microsoft_office_ltsc_202116.0.1 — https://aka.ms/OfficeSecurityReleases
▶CVEListV5microsoft/microsoft_365_apps_for_enterprise16.0.1 — https://aka.ms/OfficeSecurityReleases

Patches

Patch: msrc.microsoft.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-w8m3-f759-q5hc: Microsoft Project Remote Code Execution Vulnerability↗2024-08-13
▶
CVEList
Microsoft Project Remote Code Execution Vulnerability↗2024-08-13
▶
VulnCheck
Microsoft Project Remote Code Execution Vulnerability↗2024
▶

📋Vendor Advisories

2
CISA
Microsoft Project Remote Code Execution Vulnerability↗2024-08-13
▶
Microsoft
Microsoft Project Remote Code Execution Vulnerability↗2024-08-13
▶

🕵️Threat Intelligence

12
Trendmicro
The August 2024 Security Update Review↗2024-08-13
▶
Krebs
Six 0-Days Lead Microsoft’s August 2024 Patch Push↗2024-08-13
▶
Qualys
Microsoft and Adobe Patch Tuesday, August 2024 Security Update Review↗2024-08-13
▶
Tenable
Microsoft’s August 2024 Patch Tuesday Addresses 88 CVEs↗2024-08-13
▶
Qualys
Microsoft & Adobe August 2024 Patch Tuesday Updates | Qualys↗2024-08-13
▶
CVE-2024-38189 — Improper Input Validation in Microsoft | cvebase