Bug 2518272 (CVE-2026-76040)

Summary: CVE-2026-76040 chromium-browser: chromium-browser: Arbitrary code execution via use-after-free vulnerability
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedKeywords: Security
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in chromium-browser. This use-after-free vulnerability allows a remote attacker, through social engineering, to execute arbitrary code outside of the sandbox by enticing a user to visit a specially crafted HTML page. This could lead to a complete compromise of the affected system.
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2519424, 2519425    
Bug Blocks:    

Description OSIDB Bzimport 2026-08-18 20:52:14 UTC
Use after free in Browser in Google Chrome on on Mac prior to 151.0.7922.169 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)