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)
Critical 9.6
CVE-2026-121156
Google Chrome — remote code execution.
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.
WeaknessCWE-122: Heap buffer overflow
Published Updated Source NVD
CVSS 3.1
9.6
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Exploit chance, 30 days
Not scored yet
EPSS scores new CVEs within a day or two
Status
No known exploitation
Not in CISA KEV
Patch
Unknown
Check the vendor advisory
What happened
What to do
- 01Check whether you run Google Chrome, and which version.
- 02Follow the vendor advisory for a fix or a workaround.
References
Timeline · UTC
- Published to NVD
- NVD record updated
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