A vulnerability labeled as problematic has been found in FreeRDP up to 3.29.x. Affected is the function kerberos_DecryptMessage of the file winpr/libwinpr/sspi/Kerberos/kerberos.c of the component Kerberos. Executing a manipulation can lead to out-of-bounds read. This vulnerability is tracked as CVE-2026-73242. The attack can be launched remotely.... Weiterlesen
Intelligence View
CVE-2026-73242 | FreeRDP up to 3.29.x Kerberos kerberos.c kerberos_DecryptMessage out-of-bounds (Nessus ID 342051 / WID-SEC-2026-2776)
A vulnerability labeled as problematic has been found in FreeRDP up to 3.29.x. Affected is the function kerberos_DecryptMessage of the file winpr/libwinpr/sspi/Kerberos/kerberos.c of the component Kerberos. Executing a manipulation can…
SOC Incident Playbook: Vulnerability Remediation & Verification
title: Detect Exploitation - CVE-2026-73242 | FreeRDP up to 3.29.x Kerberos kerberos.c kerberos_DecryptMessage out-of-bounds (Nessus ID 342051 / WID-SEC-2026-2776)
id: 0dc0e020-7796-47ab-9081-70e370a3c2a4
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-2026-73242 | FreeRDP up to" ascii wide
condition:
any of them
}tsecurity.de Cognitive Threat RAG
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich CVE-2026-73242 | FreeRDP up to 3.29.x Ke.... 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.
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