CVE-2026-126873 · Other
NO FIX YET · SEE WHAT TO DO
A use-after-free bug in Chrome's Extensions component on Windows lets an attacker who tricks a user into visiting a crafted HTML page run arbitrary code outside the browser sandbox. Chromium rates it High severity.
first public Nov 11, 2026 · 1 source
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Any Windows machine running Google Chrome before 157.0.8103.78 is exposed when a user opens a crafted HTML page. Exploitation needs social engineering to get the user to that page, and the sources do not describe any server-side exposure. Chrome on macOS, Linux and mobile is not named in the sources.
Not affected if chrome-updated, non-windows
Who cares browser, chrome, windows
chrome://version in the address bar.157.0.8103.78 on Windows.157.0.8103.78 or later.Use after free in Extensions in Google Chrome on on Windows prior to 157.0.8103.78 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
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