A vulnerability labeled as critical has been found in Microsoft Windows up to Server 2025. This affects an unknown part of the component Remote Desktop Protocol. Such manipulation leads to improper authentication.
This vulnerability is uniquely identified as CVE-2025-55340. Local access is required to approach this attack. No exploit exists.
Applying a patch is advised to resolve this issue.
Intelligence View
⚡ tsecurity.de Intelligence
CVE-2025-55340 | Microsoft Windows up to Server 2025 Remote Desktop Protocol improper authentication
A vulnerability labeled as critical has been found in Microsoft Windows up to Server 2025. This affects an unknown part of the component Remote Desktop Protocol. Such manipulation leads to improper authentication. This vulnerability is…
Reagiere als Erste:r — dein Feedback zählt!
IoC Intelligence (1 Indikatoren)
CVE-2025-55340
CTI Threat Relationship Graph2 Knoten / 1 Relationen
IR-PLAYBOOK-VULN-REMEDIATIONMEDIUM
Schritte anzeigen
SOC Incident Playbook: Vulnerability Remediation & Verification
1-Click Detection Engineering: Sigma & YARA RulesSOC Ready
Regeln anzeigen
title: Detect Exploitation - CVE-2025-55340 | Microsoft Windows up to Server 2025 Remote Desktop Protocol improper authentication
id: bfd7b8e9-54b0-4220-a43b-839294ef5031
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-2025-55340 | Microsoft Win" 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-2025-55340 | Microsoft Windows up to.... 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.
🔗 Semantisch verwandte Zero-Days
MariaDB 11.7 VEC
Synthetische RAG-Antwort
SOCIAL SHARE CARD GENERATOR