What is CVE-2026-16358?
CVE-2026-16358 is a site isolation vulnerability in the Graphics: WebRender component. It has been patched in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Azərbaycanca: CVE-2026-16358, Graphics: WebRender komponentində sayt izolyasiyası ilə bağlı zəiflikdir. Bu boşluq Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153 və Thunderbird 140.13 versiyalarında aradan qaldırılıb.
FAQ2
In which component was CVE-2026-16358 discovered?
The CVE-2026-16358 vulnerability was discovered in the Graphics: WebRender component.
In which Firefox ESR versions was CVE-2026-16358 patched?
CVE-2026-16358 was patched in Firefox ESR 115.38 and Firefox ESR 140.13.
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.