Vulnerability in Microsoft 365 Apps
CVE-2025-59229
Uncaught exception in Microsoft Office allows an unauthorized attacker to deny service locally.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (33.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Microsoft 365 Apps
- Microsoft 365 Apps For Enterprise — versions 16.0.1
- Microsoft Office Ltsc 2024 — versions 16.0.0
- Microsoft Office Long Term Servicing Channel — versions 2024
Weakness classification (CWE)
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59229 (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-59229?
- CVE-2025-59229 is a medium-severity vulnerability in Microsoft 365 Apps, classified under CWE-248. CVSS score: 5.5/10. Published 2025-10-14.
- How severe is CVE-2025-59229?
- Medium severity. CVSS v3 base score is 5.5 out of 10.