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CVE-2026-126900

Use-after-free in Chrome CSS via crafted HTML

CVSS 3.1
8.8 high
EPSS
—
Published
·
Modified
Analyze CVE-2026-126900 with Vani AIImpact, affected versions, exploitation status, mitigations and detection

A use-after-free in CSS handling in Google Chrome before 157.0.8103.78 lets a remote attacker run arbitrary code inside the sandbox. The attacker needs the victim to open a crafted HTML page. Google rates the issue High. Chrome builds earlier than 157.0.8103.78 are affected.

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
largeNo 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 CSS 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)

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

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