CVE-2026-68814: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
Other sources
Out-of-bounds read 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-2026-68814?
The severity of CVE-2026-68814 is rated as high with a score of 7.8.
How do I fix CVE-2026-68814?
To fix CVE-2026-68814, ensure that you apply the latest security updates released by Microsoft for affected versions of Excel.
What is CVE-2026-68814?
CVE-2026-68814 refers to a Microsoft Excel Remote Code Execution Vulnerability that allows unauthorized code execution due to an out-of-bounds read.
Who is affected by CVE-2026-68814?
CVE-2026-68814 affects multiple versions of Microsoft Excel, including Office LTSC for Mac and various editions of Microsoft Office.
What are the attack vectors for CVE-2026-68814?
CVE-2026-68814 can be exploited via local access as it has an attack vector classified as AV:L.