CVE-2026-126885 · Runtime
NO FIX YET · SEE WHAT TO DO
A use-after-free bug in the ServiceWorker component of Google Chrome before 157.0.8103.78 lets a remote attacker run arbitrary code outside the browser sandbox. The attacker only needs to get the victim to load a crafted HTML page.
first public Nov 11, 2026 · 1 source
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Anyone running Google Chrome before 157.0.8103.78 on a desktop or mobile device is exposed when visiting a malicious page. Exposure does not depend on account login or non-default settings. Managed fleets should confirm every browser reports the fixed build.
Not affected if chrome-updated
Who cares browser, chrome, desktop
chrome://settings/help to see the installed version.157.0.8103.78.157.0.8103.78 or later.Use after free in ServiceWorker in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
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