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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

Risk Signal Score20/100 — NIEDRIG
  • CVSS 8.1 — Hoch

Erwähnungen (letzte 60 Tage)

Artikel

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, InitiatingProcessParentFileName

Splunk 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, CommandLine

Sigma

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: high

Elastic 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_line

SecBoard-generated · behavioral · requires customizationVon 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:*:*:*:*:*:*:*:*

Referenzen