{
  "document": {
    "category": "csaf_vex",
    "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"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2016-2568 pkexec, when used with --user nonpriv, allows local users to escape to the parent session - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2017/msrc_cve-2016-2568.json"
      },
      {
        "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": "pkexec, when used with --user nonpriv, allows local users to escape to the parent session",
    "tracking": {
      "current_release_date": "2026-08-07T00:20:17.000Z",
      "generator": {
        "date": "2026-08-07T22:31:44.635Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2016-2568",
      "initial_release_date": "2025-10-01T23:10:54.000Z",
      "revision_history": [
        {
          "date": "2025-10-01T23:10:54.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2026-08-07T00:20:17.000Z",
          "legacy_version": "2",
          "number": "2",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              },
              {
                "category": "product_version",
                "name": "1.0",
                "product": {
                  "name": "CBL Mariner 1.0",
                  "product_id": "16820"
                }
              },
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              },
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "16817"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "<azl3 polkit 0:123-1.azl3",
                "product": {
                  "name": "<azl3 polkit 0:123-1.azl3",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 polkit 0:123-1.azl3",
                "product": {
                  "name": "azl3 polkit 0:123-1.azl3",
                  "product_id": "16867"
                }
              },
              {
                "category": "product_version_range",
                "name": "<cm1 polkit 0.116-7",
                "product": {
                  "name": "<cm1 polkit 0.116-7",
                  "product_id": "5"
                }
              },
              {
                "category": "product_version",
                "name": "cm1 polkit 0.116-7",
                "product": {
                  "name": "cm1 polkit 0.116-7",
                  "product_id": "16865"
                }
              },
              {
                "category": "product_version_range",
                "name": "<cbl2 polkit 0:0.119-3.cbl2",
                "product": {
                  "name": "<cbl2 polkit 0:0.119-3.cbl2",
                  "product_id": "4"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 polkit 0:0.119-3.cbl2",
                "product": {
                  "name": "cbl2 polkit 0:0.119-3.cbl2",
                  "product_id": "16866"
                }
              },
              {
                "category": "product_version_range",
                "name": "<azl3 polkit 0:123-1.azl3",
                "product": {
                  "name": "<azl3 polkit 0:123-1.azl3",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 polkit 0:123-1.azl3",
                "product": {
                  "name": "azl3 polkit 0:123-1.azl3",
                  "product_id": "16867"
                }
              }
            ],
            "category": "product_name",
            "name": "polkit"
          },
          {
            "category": "product_name",
            "name": "azl3 polkit 0:123-2.azl3",
            "product": {
              "name": "azl3 polkit 0:123-2.azl3",
              "product_id": "1"
            }
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
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        "full_product_name": {
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          "product_id": "17084-2"
        },
        "product_reference": "2",
        "relates_to_product_reference": "17084"
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      {
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      {
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        },
        "product_reference": "1",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "<cbl2 polkit 0:0.119-3.cbl2 as a component of CBL Mariner 2.0",
          "product_id": "17086-4"
        },
        "product_reference": "4",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 polkit 0:0.119-3.cbl2 as a component of CBL Mariner 2.0",
          "product_id": "16866-17086"
        },
        "product_reference": "16866",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "<azl3 polkit 0:123-1.azl3 as a component of Azure Linux 3.0",
          "product_id": "16817-3"
        },
        "product_reference": "3",
        "relates_to_product_reference": "16817"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 polkit 0:123-1.azl3 as a component of Azure Linux 3.0",
          "product_id": "16867-16817"
        },
        "product_reference": "16867",
        "relates_to_product_reference": "16817"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2016-2568",
      "cwe": {
        "id": "CWE-116",
        "name": "Improper Encoding or Escaping of Output"
      },
      "notes": [
        {
          "category": "general",
          "text": "mitre",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "16867-17084",
          "16865-16820",
          "16866-17086",
          "16867-16817"
        ],
        "known_affected": [
          "17084-2",
          "16820-5",
          "17086-4",
          "16817-3"
        ],
        "under_investigation": [
          "17084-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2016-2568 pkexec, when used with --user nonpriv, allows local users to escape to the parent session - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2017/msrc_cve-2016-2568.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-10-01T23:10:54.000Z",
          "details": "0:123-1.azl3:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17084-2",
            "16817-3"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2025-10-01T23:10:54.000Z",
          "details": "0.116-7:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "5"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2025-10-01T23:10:54.000Z",
          "details": "0:0.119-3.cbl2:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-4"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalScore": 0.0,
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "temporalScore": 7.8,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "17084-2",
            "5",
            "17086-4",
            "16817-3"
          ]
        }
      ],
      "title": "pkexec, when used with --user nonpriv, allows local users to escape to the parent session"
    }
  ]
}