CVE-2026-126864 · Runtime
NO FIX YET · SEE WHAT TO DO
A use-after-free bug in the V8 JavaScript engine of Google Chrome lets a remote attacker run arbitrary code inside the browser sandbox when a victim opens a crafted HTML page. The sources rate it High under Chromium's security severity scale.
first public Nov 11, 2026 · 1 source
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Anyone running Google Chrome before 157.0.8103.78 is exposed when they open a malicious web page. Chromium-based browsers that pull in the same V8 code may also be affected, and the sources do not say which ones. Systems that never run Chrome are not affected.
Not affected if chrome-at-or-above-157.0.8103.78
Who cares browsers, chrome, linux, macos, v8, windows
157.0.8103.78.157.0.8103.78 or later.Use after free in V8 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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