Main Vulnerability Database Vulnerabilities #VU141827

Out-of-bounds read in Microsoft Office for macOS and Microsoft Excel - CVE-2026-68808

Published: August 12, 2026

Vulnerability identifier: #VU141827

CSH Severity: Medium

CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-68808

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to out-of-bounds read in Microsoft Office Excel when parsing a specially crafted file. A remote attacker can trick the victim into opening a crafted file to disclose sensitive information.

The Preview Pane is not an attack vector. User interaction is required to open a crafted file.

Affected software

Microsoft Office for macOS
Microsoft Excel

How to mitigate CVE-2026-68808

Install security update from vendor's website.

Microsoft Office for macOS - update to 16.112.26081010
Microsoft Excel - update to 16.0.5565.1001

External References

Related Security Bulletins