Moole Vulnerability Database

Find real vulnerabilities before they ship

High

CVE-2026-40420

Improper access control in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.

VectorLOCAL

PublishedMay 12, 2026, 18:17

Published Bysecure@microsoft.com

Base Score

Score8.8

No affected versions found.

CWE-284

Base Score

8.8

Vector String

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Base SeverityHigh

Version

3.1

Attack Vector (AV)

LOCAL