Integer overflow in Microsoft 365 Apps
CVE-2024-21379
Microsoft Word Remote Code Execution Vulnerability
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Microsoft 365 Apps
- Microsoft 365 Apps For Enterprise — versions 16.0.1
- Microsoft Office 2019 — versions 19.0.0
- Microsoft Office Ltsc 2021 — versions 16.0.1
- Microsoft Word 2016 — versions 16.0.1
- Microsoft Office — versions 2019
- Microsoft Office Long Term Servicing Channel — versions 2021
- Microsoft Word — versions 2016
Weakness classification (CWE)
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21379 (vendor-advisory, Patch, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2024-21379?
- CVE-2024-21379 is a high-severity vulnerability in Microsoft 365 Apps, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2024-02-13.
- How severe is CVE-2024-21379?
- High severity. CVSS v3 base score is 7.8 out of 10.