CVE-2025-21364: Microsoft Excel Security Feature Bypass Vulnerability
Overview
- Severity
- High (CVSS 7.8)
- CVSS Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- Category
- Security Feature Bypass
- Exploit Status
- Not Exploited
- Exploitation Likelihood
- More Likely
- Patch Tuesday
- 2025-Jan
- Released
- 2025-01-14
- Last Updated
- 2025-01-27
- EPSS Score
- 0.24% (percentile: 47.5%)
FAQ
What kind of security feature could be bypassed by successfully exploiting this vulnerability?
An attacker who successfully exploited this vulnerability could bypass Office macro policies used to block untrusted or malicious files.
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?
No, the Preview Pane is not an attack vector.
Affected Products (4)
Microsoft Office
- Microsoft 365 Apps for Enterprise for 32-bit Systems
- Microsoft 365 Apps for Enterprise for 64-bit Systems
- Microsoft Office LTSC 2024 for 32-bit editions
- Microsoft Office LTSC 2024 for 64-bit editions
Acknowledgments
Anonymous
Revision History
- 2025-01-14: Information published.
- 2025-01-27: Added an FAQ to indicate that the Preview Pane is not affected for this CVE. This is an informational change only.