CyberRota Analysis
AI-GeneratedA critical vulnerability in the Networking component of the DOM in Firefox allows for a mitigation bypass, potentially enabling attackers to exploit other vulnerabilities or execute arbitrary code. Users of affected versions should prioritize updating to Firefox 153 or Firefox ESR 140.13, as well as Thunderbird 153 or Thunderbird 140.13, to safeguard against potential exploitation. Organizations relying on these products should take immediate action to ensure their systems are patched.
CVE
CVE-2026-16383
Severity
CRITICAL
CVSS
9.8
EPSS
0.39%
Firefox
Original NVD Description
Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Related CVEs
Other vulnerabilities affecting the same vendor(s)