CVE-2026-68810: Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
Other sources
Untrusted pointer dereference 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 16.112.26081010 - 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 16.0.10417.20175Patch KB5002884
Event History
Frequently Asked Questions
What is the severity of CVE-2026-68810?
CVE-2026-68810 has a high severity rating of 7.8.
How does CVE-2026-68810 affect Microsoft Excel?
CVE-2026-68810 allows an unauthorized attacker to execute code locally through an untrusted pointer dereference in Microsoft Excel.
What versions of Microsoft Office are impacted by CVE-2026-68810?
CVE-2026-68810 affects Microsoft 365 Apps for Enterprise, Microsoft Excel 2016, Microsoft Office 2019, and various versions of Microsoft Office LTSC for both 64-bit and Mac editions.
How do I fix CVE-2026-68810?
To fix CVE-2026-68810, apply the latest security updates provided by Microsoft for the affected Office applications.
What is the risk associated with CVE-2026-68810?
The risk associated with CVE-2026-68810 is significant, as it enables potential remote code execution on vulnerable systems.