Description
Free of memory not on the heap in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1 – < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| Microsoft | Microsoft Excel 2016 | 16.0.0.0 – < 16.0.5517.1000 | 16.0.5517.1000 |
| Microsoft | Microsoft Office 2019 | 19.0.0 – < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| Microsoft | Microsoft Office LTSC 2021 | 16.0.1 – < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| Microsoft | Microsoft Office LTSC 2024 | 16.0.0 – < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| Microsoft | Microsoft Office LTSC for Mac 2021 | 16.0.1 – < 16.101.25091314 | 16.101.25091314 |
| Microsoft | Microsoft Office LTSC for Mac 2024 | 16.0.0 – < 16.101.25091314 | 16.101.25091314 |
Advisories 3
- MSRC-CVE-2025-54899 Microsoft Excel Remote Code Execution Vulnerability Microsoft Security Response Center · Sep 16, 2025
- WID-SEC-2025-2003 Microsoft Office Produkte: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 9, 2025
- NCSC-2025-0278 Kwetsbaarheden verholpen in Microsoft Office NCSC-NL (Netherlands) · Sep 9, 2025
References
- Microsoft Excel Remote Code Execution Vulnerability vendor-advisory patch