CVE-2026-125350: Google Chromium Use-After-Free Vulnerability Exploited

## Overview CISA added CVE-2026-125350 to its Known Exploited Vulnerabilities (KEV) catalog on November 10, 2026. This inclusion signals a federal deadline for agencies to address the vulnerability. The flaw affects Google Chromium and could impact multiple browsers that use its engine, including Google Chrome, Microsoft Edge, and Opera. ## Technical Details CVE-2026-125350 is a use-after-free vulnerability found in the XML component of Google Chrome versions prior to 157.0.8103.50. Attackers can exploit this flaw by crafting a malicious HTML page. When a user interacts with the page, it can lead to arbitrary code execution within the browser's sandbox environment. ## Impact The vulnerability has a CVSS score of 8.8, indicating a high severity. Exploitation can allow attackers to execute arbitrary code, potentially compromising user data and system integrity. Reports indicate that this zero-day vulnerability has been actively exploited in the wild, raising concerns about immediate threats to users. ## Mitigation Google has released a patch addressing this vulnerability in version 157.0.8103.50. Users and administrators should ensure that their browsers are updated to this version or later. Regularly updating software and monitoring for security advisories is crucial in mitigating risks associated with such vulnerabilities.