What is CVE-2026-74955?
CVE-2026-74955 is a privilege escalation vulnerability in the Request Handling component. The issue has been resolved in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1. Users should update to these latest versions to mitigate the risk.
Azərbaycanca: CVE-2026-74955, Request Handling komponentindəki imtiyaz artırma zəifliyidir. Bu boşluq Firefox 154, Firefox ESR 153.1, Thunderbird 154 və Thunderbird 153.1 versiyalarında aradan qaldırılıb. İstifadəçilərə təsirlənmiş brauzer və e-poçt müştərilərini ən son versiyalara yeniləmələri tövsiyə olunur.
Related CVEs
link basis: same weakness class CWE-269
FAQ2
Which products are affected by CVE-2026-74955?
This vulnerability affects older versions of Firefox, Firefox ESR, Thunderbird, and Thunderbird. The issue has been resolved specifically in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
How can I protect myself from this vulnerability?
Users should update the affected browser and email clients to the latest versions. This vulnerability is a privilege escalation issue in the Request Handling component.
See also6
This explainer is AI-written from source data — skopnix's own reporting on this CVE; CVSS scores, vendors and versions are never invented. See NVD for the official record.