CVE-2026-97738: Microsoft Office Excel Remote Code Execution Vulnerability
Microsoft Office Excel Remote Code Execution Vulnerability
Other sources
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in https://aka.ms/OfficeSecurityReleases - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.17932.21056 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.14334.20974 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.10417.20228Patch KB5002928
Event History
Frequently Asked Questions
Which deployments should be prioritized for review?
Review systems running Microsoft 365 Apps for Enterprise, Microsoft Office Excel, Office LTSC for Mac 2024 or 2021, Office LTSC 2024 or 2021 32-bit editions, Office 365 for Mac, and Microsoft Office Online Server.
Does exploitation require attacker authentication or user interaction?
The vulnerability is rated as requiring no attacker privileges, but it does require user interaction. The attack vector is network-based and has low attack complexity.