VYPR
Unrated severityNVD Advisory· Published Jun 16, 2026· Updated Jun 16, 2026

CVE-2026-12296

CVE-2026-12296

Description

Sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

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

Affected products

24

Patches

Vulnerability mechanics

References

5

News mentions

0

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