A vulnerability categorized as critical has been discovered in Mozilla Firefox. Impacted is an unknown function of the component Shell Integration. Such manipulation leads to improper privilege management. This vulnerability is documented as CVE-2026-74965. The attack can be executed remotely. There is not any exploit available. It is advisable to... Weiterlesen
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CVE-2026-74965 | Mozilla Firefox prior 140.14/153.1/154 Shell Integration privileges management (Nessus ID 337947)
A vulnerability categorized as critical has been discovered in Mozilla Firefox. Impacted is an unknown function of the component Shell Integration. Such manipulation leads to improper privilege management. This vulnerability is documented…
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IoC Intelligence (1 Indikatoren)
CVE-2026-74965
IR-PLAYBOOK-VULN-REMEDIATIONMEDIUM
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title: Detect Exploitation - CVE-2026-74965 | Mozilla Firefox prior 140.14/153.1/154 Shell Integration privileges management (Nessus ID 337947)
id: 873984db-7e16-4438-96fa-e0fbab34f40b
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-2026-74965 | Mozilla Firef" ascii wide
condition:
any of them
}INFRASTRUCTURE BLAST RADIUS & EXPOSURE
Live-Vektor: LOCAL
LOCALIZED
Perimeter & Ingress
Geringes Risiko
Lateral Pivot & AD
GEFÄHRDET (80%)
Crown Jewels & DB
Geringes Risiko
Supply Chain Reach
Geringes Risiko
tsecurity.de Cognitive Threat RAG
Fokus-Vektor:
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich CVE-2026-74965 | Mozilla Firefox prior 1.... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.
🛡️ Angriffsfläche & Exposure
Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.
⚡ Empfohlene Sofortmaßnahmen
- 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.
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