CVE-2026-68813: Microsoft Excel Information Disclosure Vulnerability
Microsoft Excel Information Disclosure Vulnerability
Other sources
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information 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
Event History
Frequently Asked Questions
What is the severity of CVE-2026-68813?
The severity of CVE-2026-68813 is classified as medium with a CVSS score of 5.5.
How do I fix CVE-2026-68813?
To fix CVE-2026-68813, ensure that your Microsoft Office applications are updated to the latest version provided by Microsoft.
What type of vulnerability is CVE-2026-68813?
CVE-2026-68813 is classified as an information disclosure vulnerability due to an out-of-bounds read.
Which versions of Microsoft Office are affected by CVE-2026-68813?
CVE-2026-68813 affects Microsoft 365 Apps for Enterprise, Microsoft Excel, Microsoft Office 2019, and various editions of Microsoft Office LTSC 2024 and 2021.
Can CVE-2026-68813 be exploited remotely?
CVE-2026-68813 requires local access for exploitation, as it allows unauthorized information disclosure locally.