A vulnerability was found in Microsoft Windows. It has been rated as problematic. The affected element is an unknown function of the component ReFS. Performing a manipulation results in stack-based buffer overflow.
This vulnerability was named CVE-2026-50318. The attack needs to be approached locally. There is no available exploit.
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CVE-2026-50318 | Microsoft Windows up to Server 2025 ReFS stack-based overflow
A vulnerability was found in Microsoft Windows. It has been rated as problematic. The affected element is an unknown function of the component ReFS. Performing a manipulation results in stack-based buffer overflow. This vulnerability was…
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CVE-2026-50318
CTI Threat Relationship Graph3 Knoten / 2 Relationen
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title: Detect Exploitation - CVE-2026-50318 | Microsoft Windows up to Server 2025 ReFS stack-based overflow
id: 8283c196-9665-4b4b-8d52-17bae88558c0
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-2026-50318 | 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
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Supply Chain Reach
Geringes Risiko
tsecurity.de Cognitive Threat RAG
Fokus-Vektor:
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich CVE-2026-50318 | 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
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