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CVE-2026-126904

Use-after-free in Chrome compositing after renderer compromise

CVSS 3.1
7.5 high
EPSS
—
Published
·
Modified
Analyze CVE-2026-126904 with Vani AIImpact, affected versions, exploitation status, mitigations and detection

A use-after-free in Google Chrome's compositing component lets a remote attacker who has already compromised the renderer process run arbitrary code outside the sandbox. The attacker triggers it with a crafted HTML page. Chrome versions before 157.0.8103.78 are affected. Google rates the issue High.

What to do: Update Google Chrome to 157.0.8103.78 or later.

ProductAffectedFixed in
Google Chromeprior to 157.0.8103.78157.0.8103.78
Estimated exposure
No basis for an estimate.

Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.

Description · NVD

Use after free in Compositing in Google Chrome prior to 157.0.8103.78 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

Weakness
CWE-416
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

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