{
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        "names": [
          "Wei in Kunlun Lab with \u003ca href=\"https://www.cyberkl.com/\"\u003eCyber KunLun\u003c/a\u003e"
        ]
      },
      {
        "names": [
          "\u003ca href=\"https://twitter.com/keyz3r0\"\u003ek0shl\u003c/a\u003e with \u003ca href=\"https://www.cyberkl.com/\"\u003eKunlun Lab\u003c/a\u003e"
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    "category": "csaf_security_advisory",
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    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
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    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
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      {
        "category": "general",
        "text": "Required. The vulnerability documented by this CVE requires customer action to resolve.",
        "title": "Customer Action"
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        "summary": "Common Vulnerability Scoring System",
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    "title": "Windows KDC Proxy Remote Code Execution Vulnerability",
    "tracking": {
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      "generator": {
        "date": "2026-01-06T16:33:33.627Z",
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          "date": "2024-11-12T08:00:00.000Z",
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          "date": "2024-11-13T08:00:00.000Z",
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          "summary": "Updated the CVE title to better reflect the affected protocol and added an FAQ to explain that only Windows Servers that are configured with the [[MS-KKDCP]: Kerberos Key Distribution Center (KDC) Proxy Protocol](https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-kkdcp/5bcebb8d-b747-4ee5-9453-428aec1c5c38) are affected."
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        {
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      "cwe": {
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        "name": "Numeric Truncation Error"
      },
      "notes": [
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          "text": "Microsoft",
          "title": "Assigning CNA"
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        {
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          "title": "How could an attacker exploit this vulnerability?"
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          "text": "The vulnerability only exists on the KPSSVC server. We recommend that instances of KPSSVC server be patched immediately.\nYes.\nNo. You are only vulnerable if you are already using KPSSVC in your environment. KPSSVC is an additional feature Microsoft has been providing since Windows Server 2012. If you do not have it configured in your environment, then this vulnerability is not exploitable.",
          "title": "Is KDC Proxy Server service (KPSSVC) a dependency of KKDCP?"
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        {
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          "title": "Are all Windows Servers affected by this vulnerability?"
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            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 8.5,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
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          "details": "Remote Code Execution"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Windows KDC Proxy Remote Code Execution Vulnerability"
    }
  ]
}