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CVE-2026-121156

Buffer overflow in Google Chrome Dawn prior to 157.0.8103.38

CVSS 3.1
9.6 critical
EPSS
—
Published
·
Modified
Analyze CVE-2026-121156 with Vani AIImpact, affected versions, exploitation status, mitigations and detection

Buffer overflow in Dawn renderer of Google Chrome prior to version 157.0.8103.38. Remote attacker triggers via crafted HTML page with user interaction. Attacker gains arbitrary code execution outside the sandbox. Affects all Google Chrome users on affected versions.

What to do: Upgrade to Chrome 157.0.8103.38. No workaround listed.

ProductAffectedFixed in
Google Chromeprior to 157.0.8103.38157.0.8103.38
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

Buffer overflow in Dawn in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

Vendors
google
Products
chrome
Weakness
CWE-122
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

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