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CVE-2026-5281

HIGH CVSS 3.1: 8.8 EPSS 3.03% ACTIVE EXPLOIT
Updated Apr 02, 2026
Microsoft

CISA Known Exploited Vulnerability (KEV)

This vulnerability is actively exploited in the wild. Immediate patching is strongly recommended.

Due Date: Apr 15, 2026

Parameter Value
CVSS 8.8 (HIGH)
Affected Versions before 146.0.7680.177
Fixed In 146.0.7680.177
Type CWE-416 (Use After Free)
Vendor Microsoft
Public PoC Yes

Use after free in Dawn in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page. (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:*:*:*:*:*:*:*:*
146.0.7680.177
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:-:*:*:*:*:*:*:*