CVE-2026-96158

HIGH CVSS 3.1: 7.0 EPSS 0.21%
Updated Nov 11, 2026
Microsoft
Parameter Value
CVSS 7.0 (HIGH)
Type CWE-908 (Use of Uninitialized Resource), CWE-362 (Race Condition)
Vendor Microsoft
Public PoC No

Use of uninitialized resource in Microsoft ActiveX Installer Service allows an authorized attacker to elevate privileges locally.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
High
Difficult to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1