CVE-2026-65679
HIGH(8.1)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 8.1 — Hoch
Erwähnungen (letzte 60 Tage)
EPSS-Score
0.6%
Exploit-Wahrscheinlichkeit (30 Tage)
CVSS Score
8.1
Technische Schwere
Beschreibung
Heap-based buffer overflow in Windows iSCSI Target Service allows an unauthorized attacker to execute code over a network.
Erkennung & Indikatoren
Ausnutzung
In den geprüften Quellen nicht genannt
Threat-Hunting-Queries
Suche nach ungewöhnlicher Netzwerkaktivität oder Prozessstarts, die vom iSCSI Target Service ausgehen könnten, insbesondere wenn diese zu Shell-Prozessen oder anderen unerwarteten ausführbaren Dateien führen.
Sentinel/Defender KQL
DeviceProcessEvents
| where InitiatingProcessFileName =~ "iscsitarget.exe" or InitiatingProcessCommandLine contains "iscsitarget"
| where FileName in ("cmd.exe", "powershell.exe", "pwsh.exe", "bash.exe") or ProcessCommandLine contains "/c" or ProcessCommandLine contains "-exec"
| project TimeGenerated, DeviceName, InitiatingProcessFileName, InitiatingProcessCommandLine, FileName, ProcessCommandLine, InitiatingProcessParentFileNameSplunk SPL
index=* (sourcetype=WinEventLog:Security OR sourcetype=WinEventLog:Microsoft-Windows-Sysmon/Operational) (ParentProcessName="iscsitarget.exe" OR ParentProcessCommandLine="*iscsitarget*") (ProcessName IN ("cmd.exe", "powershell.exe", "pwsh.exe", "bash.exe") OR CommandLine="*/c*" OR CommandLine="*-exec*") | table _time, host, ParentProcessName, ParentProcessCommandLine, ProcessName, CommandLineSigma
title: iSCSI Target Service Spawning Shell
logsource:
category: process_creation
product: windows
detection:
selection:
ParentImage|endswith: '\iscsitarget.exe'
Image|endswith:
- '\cmd.exe'
- '\powershell.exe'
- '\pwsh.exe'
- '\bash.exe'
condition: selection
level: highElastic ES|QL
from logs-windows.*
| where event.category == "process"
| where process.parent.executable == "iscsitarget.exe"
| where process.executable in ("cmd.exe", "powershell.exe", "pwsh.exe", "bash.exe")
| select @timestamp, host.name, process.parent.executable, process.parent.command_line, process.executable, process.command_lineSecBoard-generated · behavioral · requires customization — Von SecBoard erzeugt und nicht in einer Zielumgebung validiert. Vor dem Einsatz an die eigene Protokollierung anpassen.
Betroffene Produkte
- cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*