CVE-2026-97771high8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Impact
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
Source excerpt · microsoftAffected packages
This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.
Affected products
Vendor version evidence. Product records are separate from automatic dependency matching.
Microsoft · Microsoft 365 Apps for Enterprise
Platforms: 32-bit Systems, x64-based Systems
| Version / range | Source status |
|---|---|
| 16.0.1 to before https://aka.ms/OfficeSecurityReleases | affected |
Microsoft · Microsoft Office 365 for Mac
| Version / range | Source status |
|---|---|
| 1.0.0 to before 16.114.26101123 | affected |
Microsoft · Microsoft Office LTSC 2021
Platforms: 32-bit Systems, x64-based Systems
| Version / range | Source status |
|---|---|
| 16.0.1 to before 16.0.14334.20974 | affected |
Microsoft · Microsoft Office LTSC 2024
Platforms: 32-bit Systems, x64-based Systems
| Version / range | Source status |
|---|---|
| 16.0.0 to before 16.0.17932.21056 | affected |
Microsoft · Microsoft Office LTSC for Mac 2021
| Version / range | Source status |
|---|---|
| 16.0.1 to before 16.114.26101123 | affected |
Microsoft · Microsoft Office LTSC for Mac 2024
| Version / range | Source status |
|---|---|
| 16.0.0 to before 16.114.26101123 | affected |
Microsoft · Office Online Server
| Version / range | Source status |
|---|---|
| 16.0.0.0 to before 16.0.10417.20228 | affected |
Original source description
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.