Description
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information 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 Office 365 for Mac | 1.0.0 – < 16.115.26110837 | 16.115.26110837 |
| Microsoft | Microsoft Office LTSC 2021 | 16.0.1 – < 16.0.14334.21048 | 16.0.14334.21048 |
| Microsoft | Microsoft Office LTSC 2024 | 16.0.0 – < 16.0.17932.21140 | 16.0.17932.21140 |
| Microsoft | Microsoft Office LTSC for Mac 2021 | 16.0.1 – < 16.115.26110837 | 16.115.26110837 |
| Microsoft | Microsoft Office LTSC for Mac 2024 | 16.0.0 – < 16.115.26110837 | 16.115.26110837 |
| Microsoft | Office Online Server | 16.0.0.0 – < 16.0.10417.20236 | 16.0.10417.20236 |
Advisories 2
- WID-SEC-2026-4479 Microsoft Office: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 10, 2026
- MSRC-CVE-2026-124178 Microsoft Office Excel Information Disclosure Vulnerability Microsoft Security Response Center · Nov 10, 2026
References
- Microsoft Office Excel Information Disclosure Vulnerability vendor-advisory patch