HIGHCVE-2026-40419Published Modified CNA microsoft
CVE-2026-40419: Microsoft Office Click-To-Run Elevation of Privilege Vulnerability
Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.
Metrics
- CVSS v3.1
- 7.8
- Severity
- HIGH
- Fixed in
- https://aka.ms/OfficeSecurityReleases
- Affected Products
- 4
Fix available
https://aka.ms/OfficeSecurityReleases
Affected packages
- Microsoft / Microsoft 365 Apps for Enterprise< https://aka.ms/OfficeSecurityReleases (from 16.0.1)
- Microsoft / Microsoft Office 2019< https://aka.ms/OfficeSecurityReleases (from 19.0.0)
- Microsoft / Microsoft Office LTSC 2021< https://aka.ms/OfficeSecurityReleases (from 16.0.1)
- Microsoft / Microsoft Office LTSC 2024< https://aka.ms/OfficeSecurityReleases (from 16.0.0)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C