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Unrated severityNVD Advisory· Published Oct 27, 2026· Updated Oct 27, 2026

CVE-2026-118021

CVE-2026-118021

Description

Sandbox escape due to use-after-free in the XPCOM component. This vulnerability was fixed in Firefox 159.

AI Insight

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

Affected products

1

Mozilla Corporation/Firefoxllm-fuzzy
Range: <159

Patches

Vulnerability mechanics

References

2

News mentions

0

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