Vulnerability in Microsoft 365_apps

CVE-2025-59229

Uncaught exception in Microsoft Office allows an unauthorized attacker to deny service locally.

EPSS: 0.004 (30.1th percentile) — read the EPSS interpretation.

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.

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)

CWE-248

References

secure@microsoft.com (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.