CVE-2026-126906 · Other
NO FIX YET · SEE WHAT TO DO
A race condition in Chrome's Extensions component on macOS lets a remote attacker who has already compromised the renderer process obtain sensitive information through crafted network traffic. The sources rate it High in Chromium's security scale.
first public Nov 11, 2026 · 1 source
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Chrome on macOS before 157.0.8103.78 is affected. The attacker must first have compromised the renderer process, which is a chained attack rather than a direct one. Chrome on Windows, Linux and mobile are not named in the sources.
Not affected if chrome-updated, non-mac-platform
Who cares browser-users, chrome, macos
chrome://settings/help to read the installed version157.0.8103.78 or later157.0.8103.78 or laterRace condition in Extensions in Google Chrome on on Mac prior to 157.0.8103.78 allowed a remote attacker who had compromised the renderer process to obtain sensitive information via crafted network traffic. (Chromium security severity: High)
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