CVE-2026-125343 is a vulnerability in Google Chrome
Published on November 10, 2026
Buffer overflow in Compositing in Google Chrome prior to 157.0.8103.50 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 Type
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
Products Associated with CVE-2026-125343
Want to know whenever a new CVE is published for Google Chrome? stack.watch will email you.
Affected Versions
Google Chrome:- Version 157.0.8103.50 and below 157.0.8103.50 is affected.