CVE-2026-40420

Published: Mag 12, 2026 Last Modified: Mag 12, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,8
Source: [email protected]
Attack Vector: local
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

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

284

Improper Access Control

Incomplete
Abstraction: Pillar Structure: Simple
Common Consequences
Security Scopes Affected:
Other
Potential Impacts:
Varies By Context
Applicable Platforms
Technologies: ICS/OT, Not Technology-Specific, Web Based
View CWE Details
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2…
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40420