Description
Use after free 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 – < 16.0.5495.1000 | 16.0.5495.1000 |
| 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 – < 16.96.25041326 | 16.96.25041326 |
| Microsoft | Microsoft Office LTSC for Mac 2024 | 16.0.0 – < 16.96.25041326 | 16.96.25041326 |
| Microsoft | Office Online Server | 16.0.0.0 – < 16.0.10417.20003 | 16.0.10417.20003 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Microsoft Excel Use After Free - Local Code Execution EDB-52332 · local · Jun 15, 2025
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 3
- WID-SEC-2025-0769 Microsoft Office: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 18, 2025
- MSRC-CVE-2025-27751 Microsoft Excel Remote Code Execution Vulnerability Microsoft Security Response Center · Apr 15, 2025
- NCSC-2025-0107 Kwetsbaarheden verholpen in Microsoft Office NCSC-NL (Netherlands) · Apr 8, 2025
References
- Microsoft Excel Remote Code Execution Vulnerability vendor-advisory patch