Ad

CVE-2026-4458

HIGH CVSS 3.1: 8.8 EPSS 0.01%
Updated Mar 20, 2026
Microsoft
Parameter Value
CVSS 8.8 (HIGH)
Affected Versions before 146.0.7680.153
Fixed In 146.0.7680.153
Type CWE-416 (Use After Free)
Vendor Microsoft
Public PoC No

Use after free in Extensions in Google Chrome prior to 146.0.7680.153 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension. (Chromium security severity: High)

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

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

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 4

Configuration From (including) Up to (excluding)
Google Chrome
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
146.0.7680.153
Apple Macos
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
Linux Linux_Kernel
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Microsoft Windows
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*