CVE-2026-126840 · Other
NO FIX YET · SEE WHAT TO DO
A memory write past the end of a buffer in Chrome's Network component lets a crafted HTML page run code inside the browser sandbox. Chromium rates it High severity.
first public Nov 11, 2026 · 1 source
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Any Google Chrome install older than 157.0.8103.78 is exposed when a user opens a crafted web page. Exploitation needs no account, but the attacker must get the user to load the page. Chromium-based browsers that have not yet picked up the Chromium fix may also be exposed, which the sources do not state.
Not affected if chrome-157.0.8103.78-or-later
Who cares browsers, chrome, end-users
chrome://settings/help to read the installed version157.0.8103.78 or later157.0.8103.78 or laterOut of bounds write in Network in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
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