Microsoft Security Response Center guidance
Vendor revision: Jul 14, 2026Click to Run Install KB5002273.
Vendor-listed releases
- https://aka.ms/OfficeSecurityReleases
- 16.0.5561.1000
Vulnerability intelligence
CVE-2026-47290 and is rated High severity with a CVSS score of 7.8. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
Click to Run Install KB5002273.
Vendor-listed releases
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Source: NVD