CVE-2025-54899
Free of memory not on the heap in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Scoring
- Severity
- HIGH
- CVSS base score
- 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
- EPSS probability
- 0.58%
- CWE
- CWE-590
- Published
- 2025-09-09
- Last modified
- 2026-03-12
Affected products
- Microsoft Microsoft 365 Apps for Enterprise
- Microsoft Microsoft Excel 2016
- Microsoft Microsoft Office 2019
- Microsoft Microsoft Office LTSC 2021
- Microsoft Microsoft Office LTSC 2024
- Microsoft Microsoft Office LTSC for Mac 2021
- Microsoft Microsoft Office LTSC for Mac 2024
Weakness type
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