CVE-2026-97775: 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 16.0.14334.20974 - 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 16.0.10417.20228Patch KB5002928
Event History
Frequently Asked Questions
Does exploitation require an authenticated account or elevated privileges?
No. The attack vector indicates no privileges are required before exploitation.
Is user interaction required for exploitation?
Yes. The CVSS vector indicates that user interaction is required.
Which products should be included in remediation triage?
Review Microsoft 365 Apps for Enterprise, Microsoft Office Excel, Office LTSC 2021 for 32-bit and 64-bit editions, Office LTSC 2024 for 32-bit and 64-bit editions, Office LTSC for Mac 2024, and Microsoft Office Online Server.