8.6

CVE-2026-8958

Information disclosure, sandbox escape in the Security: Process Sandboxing component

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mozilla ≫ Firefox SwEditionesr Version < 140.11.0
Mozilla ≫ Firefox SwEdition- Version < 151.0.0
Mozilla ≫ Thunderbird SwEditionesr Version < 140.11
Mozilla ≫ Thunderbird SwEdition- Version < 151.0.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.34% 0.26
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0 8.6 3.9 4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
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.

https://www.mozilla.org/security/advisories/mfsa2026-46/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-48/
Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=2034713
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-51/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-50/
Vendor Advisory