CVE-2026-8958
8.6
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Exploitability: 3.9 / Impact: 4.0
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
Description
Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
Affected (4)
Products: Mozilla: Firefox, Thunderbird
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Before 151.0.0 | |
| Before 151.0.0 |
Related CWEs
CWE-668
Exposure of Resource to Wrong Sphere
The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.
CWE-693
Protection Mechanism Failure
The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.
References (5)
Source: security@mozilla.org
Permissions Required
Timeline
No history available yet.