CVE-2025-59229: Microsoft Office Denial of Service Vulnerability
Overview
- Severity
- Medium (CVSS 5.5)
- CVSS Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
- Category
- Denial of Service
- Exploit Status
- Not Exploited
- Exploitation Likelihood
- Unlikely
- Patch Tuesday
- 2025-Oct
- Released
- 2025-10-14
- EPSS Score
- 0.02% (percentile: 5.6%)
Description
Uncaught exception in Microsoft Office allows an unauthorized attacker to deny service locally.
FAQ
According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?
An attacker must send a user a malicious Office file and convince them to open it.
Is the Preview Pane an attack vector for this vulnerability?
Yes, the Preview Pane is an attack vector.
Affected Products (4)
Microsoft Office
- Microsoft Office LTSC 2024 for 32-bit editions
- Microsoft Office LTSC 2024 for 64-bit editions
- Microsoft 365 Apps for Enterprise for 32-bit Systems
- Microsoft 365 Apps for Enterprise for 64-bit Systems
Acknowledgments
mose nilsson, mose nilsson, moushi
Revision History
- 2025-10-14: Information published.