Insufficient Granularity of Access Control in Microsoft products - CVE-2026-35436
Published: May 13, 2026
Vulnerability identifier: #VU131288
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-35436
CWE-ID: CWE-1220
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft 365 Apps for Enterprise
Microsoft Office
Microsoft Office LTSC
Microsoft 365 Apps for Enterprise
Microsoft Office
Microsoft Office LTSC
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the target system.
The vulnerability exists due to insufficient granularity of access control in Microsoft Office Click-To-Run. A local user can gain elevated privileges on the system.
How to mitigate CVE-2026-35436
Install updates from vendor's website.