CVE-2026-68806: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
Other sources
Out-of-bounds write in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
— 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 16.0.5565.1001Patch KB5002903 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.112.26081010 - 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 is the severity of CVE-2026-68806?
CVE-2026-68806 has a high severity score of 7.8.
What type of vulnerability is CVE-2026-68806?
CVE-2026-68806 is a Remote Code Execution vulnerability affecting Microsoft Excel.
How do I fix CVE-2026-68806?
To fix CVE-2026-68806, apply the latest security updates provided by Microsoft for affected products.
What impact does CVE-2026-68806 have on users?
CVE-2026-68806 allows an unauthorized attacker to execute code locally on the affected systems.
Which software versions are affected by CVE-2026-68806?
CVE-2026-68806 affects various versions including Microsoft Excel 2016, Microsoft 365 Apps for Enterprise, and Microsoft Office LTSC for Mac 2021 and 2024.