Bug 2506637 (CVE-2026-16806)

Summary: CVE-2026-16806 chromium-browser: Chromium: Arbitrary code execution via use after free vulnerability in WebMCP
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
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Hardware: All   
OS: Linux   
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A flaw was found in WebMCP, a component of Google Chrome. This vulnerability, known as a use-after-free, allows a remote attacker to execute arbitrary code within the browser's security sandbox. This can occur when a user visits a specially crafted HTML page, potentially leading to unauthorized control over the affected system.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2506681, 2506682    
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Description OSIDB Bzimport 2026-07-23 22:02:06 UTC
Use after free in WebMCP in Google Chrome prior to 150.0.7871.186 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)