CVE-2026-97747: 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
What must an attacker do to exploit this issue?
The attacker needs to deliver the exploit over a network and requires user interaction. No attacker privileges are required.
What is the potential impact if exploitation succeeds?
Successful exploitation can allow unauthorized code execution with high impact to confidentiality, integrity, and availability.
Which Office deployments are listed as affected?
The affected software list includes Microsoft 365 Apps for Enterprise, Office LTSC 2021 and 2024 for 32-bit and 64-bit editions, Office LTSC for Mac 2021 and 2024, and Office 365 for Mac.