CVE-2026-68808: 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 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.5565.1001Patch KB5002903
Event History
Frequently Asked Questions
What is the severity of CVE-2026-68808?
The severity of CVE-2026-68808 is classified as medium with a score of 5.5.
How does CVE-2026-68808 affect Microsoft Excel?
CVE-2026-68808 allows unauthorized attackers to disclose sensitive information through an out-of-bounds read in Microsoft Excel.
How do I fix CVE-2026-68808?
To fix CVE-2026-68808, ensure that you apply the latest security updates provided by Microsoft for your version of Excel.
What versions of Microsoft software are affected by CVE-2026-68808?
CVE-2026-68808 affects multiple versions including Microsoft Excel 2016, Microsoft 365 Apps for Enterprise, and Microsoft Office LTSC editions.
What is the impact of CVE-2026-68808?
The impact of CVE-2026-68808 is the potential unauthorized disclosure of information stored locally on a device using the affected software.