Microsoft Security Response Center guidance
Vendor revision: Jun 19, 2026Release Notes Click to Run
Vendor-listed releases
- 16.0.20131.20024
- 16.110.26061317
- https://aka.ms/OfficeSecurityReleases
Vulnerability intelligence
CVE-2026-45460 and is rated Medium severity with a CVSS score of 4.7. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
Release Notes Click to Run
Vendor-listed releases
Buffer over-read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Source: NVD