{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "\u003ca href=\"https://www.linkedin.com/in/ben-zamir-401003237/\"\u003eBen Zamir\u003c/a\u003e with \u003ca href=\"https://cymulate.com/\"\u003eCymulate\u003c/a\u003e"
        ]
      },
      {
        "names": [
          "\u003ca href=\"https://www.linkedin.com/in/ilan-kalendarov-4826741a0/\"\u003eIlan Kalenadrov\u003c/a\u003e with \u003ca href=\"https://cymulate.com/\"\u003eCymulate\u003c/a\u003e"
        ]
      },
      {
        "names": [
          "\u003ca href=\"https://www.linkedin.com/in/elad-beber-a17946184/\"\u003eElad Beber\u003c/a\u003e with \u003ca href=\"https://cymulate.com/\"\u003eCymulate\u003c/a\u003e"
        ]
      }
    ],
    "aggregate_severity": {
      "namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "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"
      },
      {
        "category": "general",
        "text": "Required. The vulnerability documented by this CVE requires customer action to resolve.",
        "title": "Customer Action"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2026-20965 Windows Admin Center Elevation of Privilege Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20965"
      },
      {
        "category": "self",
        "summary": "CVE-2026-20965 Windows Admin Center Elevation of Privilege Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-20965.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Exploitability Index",
        "url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "Windows Admin Center Elevation of Privilege Vulnerability",
    "tracking": {
      "current_release_date": "2026-01-13T08:00:00.000Z",
      "generator": {
        "date": "2026-01-13T18:03:51.645Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2026-20965",
      "initial_release_date": "2026-01-13T08:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-01-13T08:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c0.70.0.0",
            "product": {
              "name": "Windows Admin Center in Azure Portal \u003c0.70.0.0",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "0.70.0.0",
            "product": {
              "name": "Windows Admin Center in Azure Portal 0.70.0.0",
              "product_id": "12518"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Admin Center in Azure Portal"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-20965",
      "cwe": {
        "id": "CWE-347",
        "name": "Improper Verification of Cryptographic Signature"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "Successful exploitation of this vulnerability requires the attacker to invest in some measurable amount of effort in preparation or execution against the vulnerable component before a successful attack can be expected.",
          "title": "According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?"
        },
        {
          "category": "faq",
          "text": "An attacker who successfully exploited the vulnerability could gain local admin privileges on targeted WAC-managed machines within a tenant.",
          "title": "What privileges could be gained by an attacker who successfully exploited the vulnerability?"
        },
        {
          "category": "faq",
          "text": "This vulnerability could lead to the attacker gaining the ability to interact with other tenant\u2019s applications and content.",
          "title": "According to the CVSS metric, successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?"
        },
        {
          "category": "faq",
          "text": "An attacker with local administrator privileges could exploit this vulnerability by sending a specially crafted HTTPS request to the targeted head node.",
          "title": "How could an attacker exploit this vulnerability?"
        },
        {
          "category": "faq",
          "text": "You can upgrade WAC in the Portal extension on your VM on Azure Portal by:\nIn Settings + extensions see \u0027AdminCenter\u0027. If an update is available use the Update button next to \u0026quot;Update available\u0027 to install the update for your WAC extension.\nFor more information see Manage a Windows VM using Windows Admin Center in Azure",
          "title": "How do I get the update for Windows Admin Center (WAC) in Azure?"
        }
      ],
      "product_status": {
        "fixed": [
          "12518"
        ],
        "known_affected": [
          "1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-20965 Windows Admin Center Elevation of Privilege Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20965"
        },
        {
          "category": "self",
          "summary": "CVE-2026-20965 Windows Admin Center Elevation of Privilege Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-20965.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-01-13T08:00:00.000Z",
          "details": "0.70.0.0:Security Update:https://learn.microsoft.com/en-us/windows-server/manage/windows-admin-center/azure/manage-vm",
          "product_ids": [
            "1"
          ],
          "url": "https://learn.microsoft.com/en-us/windows-server/manage/windows-admin-center/azure/manage-vm"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "CHANGED",
            "temporalScore": 6.5,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Elevation of Privilege"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Windows Admin Center Elevation of Privilege Vulnerability"
    }
  ]
}