High severity8.8NVD Advisory· Published Nov 10, 2026· Updated Nov 10, 2026

CVE-2026-124918

Description

Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Mozilla Corporation/Firefoxllm-fuzzy
Range: before 160
Mozilla Corporation/Firefox Esrllm-fuzzy
Range: before 153.7

Patches

Vulnerability mechanics

References

bugzilla.mozilla.org/show_bug.cginvd
www.mozilla.org/security/advisories/mfsa2026-125/nvd
www.mozilla.org/security/advisories/mfsa2026-127/nvd

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