A vulnerability was found in Foxit PDF Reader and PDF Editor up to 2025.3. It has been rated as problematic. Affected is an unknown function. This manipulation causes untrusted search path.
The identification of this vulnerability is CVE-2026-3780. The attack can only be executed locally. There is no exploit available.
Upgrading the affected component is advised.
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CVE-2026-3780 | Foxit PDF Reader/PDF Editor up to 2025.3 untrusted search path
A vulnerability was found in Foxit PDF Reader and PDF Editor up to 2025.3. It has been rated as problematic. Affected is an unknown function. This manipulation causes untrusted search path. The identification of this vulnerability is…
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IoC Intelligence (1 Indikatoren)
CVE-2026-3780
IR-PLAYBOOK-VULN-REMEDIATIONMEDIUM
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SOC Incident Playbook: Vulnerability Remediation & Verification
1-Click Detection Engineering: Sigma & YARA RulesSOC Ready
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title: Detect Exploitation - CVE-2026-3780 | Foxit PDF Reader/PDF Editor up to 2025.3 untrusted search path
id: 9f0b95d8-50f6-4724-8902-4ec64d2eec90
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-2026-3780 | Foxit PDF Read" 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-2026-3780 | Foxit PDF Reader/PDF Edi.... 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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