CVE-2026-126862 · Runtime
NO FIX YET · SEE WHAT TO DO
Google Chrome on Android before 157.0.8103.78 has an input validation flaw in its core code. A malicious app installed on the same phone can bypass the web origin policy, which normally keeps one site from reading another site's data.
first public Nov 11, 2026 · 1 source
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Any Android device running Chrome before 157.0.8103.78 is exposed, and the attacker needs a malicious app already installed on the same device. Desktop Chrome, iOS, and Android devices on a newer Chrome version are not covered by this entry.
Not affected if chrome-up-to-date, no-co-installed-malicious-app
Who cares android, chrome
157.0.8103.78.157.0.8103.78 or later.Improper input validation in Core in Google Chrome on on Android prior to 157.0.8103.78 allowed a local attacker to bypass web origin policy via a co-installed app. (Chromium security severity: High)
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