CVE-2026-68804: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
Other sources
Numeric truncation error 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 https://aka.ms/OfficeSecurityReleases - 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 16.0.10417.20175Patch KB5002884
Event History
Frequently Asked Questions
What is the severity of CVE-2026-68804?
The severity of CVE-2026-68804 is rated high with a score of 7.8.
How do I fix CVE-2026-68804?
To fix CVE-2026-68804, update your Microsoft Excel and Microsoft Office software to the latest version.
What software is affected by CVE-2026-68804?
CVE-2026-68804 affects Microsoft 365 Apps for Enterprise, Microsoft Excel 2016, and other versions of Microsoft Office including 2019, 2021, and 2024.
What type of vulnerability is CVE-2026-68804?
CVE-2026-68804 is a Remote Code Execution vulnerability caused by a numeric truncation error in Microsoft Excel.
What can an attacker achieve with CVE-2026-68804?
An attacker exploiting CVE-2026-68804 can execute unauthorized code locally on a user's system.