CyberRota Analysis
AI-GeneratedA privilege escalation vulnerability in WebExtensions affects Firefox and Thunderbird, allowing attackers to potentially gain elevated permissions within the applications. This high-severity flaw (CVSS 8.8) should be prioritized by organizations using these products, particularly those relying on WebExtensions for critical functionality, to mitigate the risk of exploitation. Users are advised to update to the latest versions to ensure protection against this vulnerability.
CVE
CVE-2026-16396
Severity
HIGH
CVSS
8.8
EPSS
0.24%
Firefox
Original NVD Description
Privilege escalation in WebExtensions. 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)