Description
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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 – < 16.0.5561.1001 | 16.0.5561.1001 |
| 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 |
Advisories 2
- WID-SEC-2026-2625 Microsoft Excel (2016), Office (2019, 2021 und 2024) und 365 Apps: Schwachstelle ermöglicht Codeausführung BSI CERT-Bund (WID) · Aug 3, 2026
- MSRC-CVE-2026-62870 Microsoft Excel Remote Code Execution Vulnerability Microsoft Security Response Center · Jul 31, 2026
References
- Microsoft Excel Remote Code Execution Vulnerability vendor-advisory patch