A vulnerability labeled as critical has been found in Mozilla Firefox. This issue affects some unknown processing of the component Safe Browsing. Such manipulation leads to improper privilege management. This vulnerability is traded as CVE-2026-74957. The attack may be launched remotely. There is no exploit available. The affected component should... Weiterlesen
Intelligence View
CVE-2026-74957 | Mozilla Firefox prior 140.14/153.1/154 Safe Browsing privileges management
A vulnerability labeled as critical has been found in Mozilla Firefox. This issue affects some unknown processing of the component Safe Browsing. Such manipulation leads to improper privilege management. This vulnerability is traded as…
SOC Incident Playbook: Vulnerability Remediation & Verification
title: Detect Exploitation - CVE-2026-74957 | Mozilla Firefox prior 140.14/153.1/154 Safe Browsing privileges management
id: 9af2456c-6e69-4514-b194-9f6edb8a7623
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-24
logsource:
category: network_connection
product: any
detection:
selection:
CommandLine|contains:
- 'exploit'
condition: selection
falsepositives:
- Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
- attack.initial_accessrule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-24"
description = "YARA Signature for "
strings:
$str = "CVE-2026-74957 | Mozilla Firef" ascii wide
condition:
any of them
}tsecurity.de Cognitive Threat RAG
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich CVE-2026-74957 | Mozilla Firefox prior 1.... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.
Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.
- 1. Perimeter-Inspektion: Relevante Portfreigaben und exponierte Endpunkte unverzüglich scannen.
- 2. Patch-Applikation: Hersteller-Hotfix einspielen oder betroffene Daemons in isolierte DMZ-Segmente überführen.
- 3. Telemetrie & EDR-Alerts: Prozessaufrufe und Child-Processes auf anomale Shell-Spawns überwachen.
SOCIAL SHARE CARD GENERATOR