Recommended action window: Monitor and triage in normal cycle
NVD description
Information disclosure, 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.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
CVE-2026-12311 Information Disclosure and Sandbox Escape in Firefox Security Process Sandboxing https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-12311
Post summary
The text only lists the CVE number and a headline describing a Firefox sandbox issue, lacking detailed technical info, PoC, exploit, or mitigation references.
4 of 4 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | mozilla | firefox | - | - | - |
| App | mozilla | firefox | - | - | - |
| App | mozilla | thunderbird | - | - | - |
| App | mozilla | thunderbird | - | - | - |