CVE-2026-97768: Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
Other sources
Microsoft Office Excel Remote Code Execution Vulnerability
— 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 16.0.17932.21056 - 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 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in https://aka.ms/OfficeSecurityReleases
Event History
Frequently Asked Questions
What does an attacker need to exploit this issue?
The attacker must be able to deliver malicious content to a user and require that user to interact with it. No attacker privileges are required, and the attack can be carried out over a network.
What is the potential impact if exploitation succeeds?
Successful exploitation can allow remote code execution in Microsoft Office Excel. The supplied severity metrics indicate high impact to confidentiality, integrity, and availability.