EUVD-2026-33155
GHSA-xf9g-pxhx-jg8c
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
4DescriptionNVD
Use after free in WebCodecs in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
AnalysisAI
Remote code execution in Google Chrome versions prior to 148.0.7778.216 stems from a use-after-free flaw in the WebCodecs component, allowing a remote attacker to run arbitrary code within the renderer sandbox by luring a victim to a malicious HTML page. The issue is rated High severity by Chromium with a CVSS 3.1 score of 8.8, and a vendor patch is available, though no public exploit has been identified at time of analysis and the CVE is not currently listed in CISA KEV. …
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RemediationAI
Within 24 hours: Issue security alert to employees advising immediate browser updates; verify patch deployment capability in your environment. Within 7 days: Deploy Chrome 148.0.7778.216 or later across all endpoints using your standard patch management process. …
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External POC / Exploit Code
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