8.8

CVE-2026-100820

Privilege escalation in the Address Bar component

Privilege escalation in the Address Bar component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mozilla ≫ Firefox Version < 140.17.0
Mozilla ≫ Firefox Version >= 141.0 < 153.4.0
Mozilla ≫ Firefox Version >= 154.0.0 < 157.0.0
Mozilla ≫ Thunderbird Version < 140.17.0
Mozilla ≫ Thunderbird Version >= 141.0 < 153.4.0
Mozilla ≫ Thunderbird Version >= 154.0 < 157.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.25% 0.146
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-269 Improper Privilege Management

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

https://www.mozilla.org/security/advisories/mfsa2026-99/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-100/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-97/
Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=2071645
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-101/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-102/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-103/
Vendor Advisory