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CVE-2026-95339 is a use-after-free vulnerability in the ServiceWorker component of Google Chrome before version 154.0.8037.57. A remote attacker can exploit the flaw through a crafted HTML page to execute arbitrary code outside the browser sandbox. The specific vulnerable function and memory-lifetime failure sequence have not been disclosed.
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No public exploit code observed for this vulnerability.
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17 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical use-after-free vulnerability in Google Chrome's ServiceWorker component permits remote code execution outside the sandbox through a crafted HTML page. It affects Chrome versions before 154.0.8037.57 and the Chainguard Chromium packages identified by this advisory. The reported CVSS v3 base score is 9.6, with user interaction required. The advisory recommends updating Chainguard's chromium library and related packages to 154.0.8037.92-r0 or later and explicitly states that no known exploits are available.
A critical use-after-free vulnerability in Google Chrome's ServiceWorker component that allows a remote attacker to execute arbitrary code outside Chrome's sandbox through a crafted HTML page.
Use-after-free vulnerability in ServiceWorker.
A Critical use-after-free vulnerability in Chrome's ServiceWorker component, fixed in Chrome 154.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.