{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "DA-0x43-Dx4-DA-Hx2-Tx2-TP-S-Q from GTSC working with \u003ca href=\"https://www.zerodayinitiative.com/\"\u003eTrend Micro Zero Day Initiative\u003c/a\u003e"
        ]
      }
    ],
    "aggregate_severity": {
      "namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
      "text": "Critical"
    },
    "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-2022-41040 Microsoft Exchange Server Elevation of Privilege Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41040"
      },
      {
        "category": "self",
        "summary": "CVE-2022-41040 Microsoft Exchange Server Elevation of Privilege Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/advisories/2022/msrc_cve-2022-41040.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": "Microsoft Exchange Server Elevation of Privilege Vulnerability",
    "tracking": {
      "current_release_date": "2022-11-08T08:00:00.000Z",
      "generator": {
        "date": "2025-03-11T16:10:09.697Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2022-41040",
      "initial_release_date": "2022-09-13T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2022-09-30T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2022-10-03T07:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Updated FAQ information. This is an informational change only."
        },
        {
          "date": "2022-10-05T07:00:00.000Z",
          "legacy_version": "1.2",
          "number": "3",
          "summary": "In the FAQ, updated the Condition Input to {UrlDecode:{REQUEST_URI}}. This is an informational change only."
        },
        {
          "date": "2022-10-07T07:00:00.000Z",
          "legacy_version": "1.3",
          "number": "4",
          "summary": "In the FAQ, updated the information about steps to take to be protected from the vulnerability to refer to [Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Server](https://msrc-blog.microsoft.com/2022/09/29/customer-guidance-for-reported-zero-day-vulnerabilities-in-microsoft-exchange-server/) for mitigation instructions. This is an informational change only."
        },
        {
          "date": "2022-11-08T08:00:00.000Z",
          "legacy_version": "2",
          "number": "5",
          "summary": "On November, 8 2022, Microsoft released updates to address this vulnerability. Customers who are running an affected version of Microsoft Exchange Server should install the updates to be protected."
        }
      ],
      "status": "final",
      "version": "5"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c15.00.1497.044",
            "product": {
              "name": "Microsoft Exchange Server 2013 Cumulative Update 23 \u003c15.00.1497.044",
              "product_id": "5"
            }
          },
          {
            "category": "product_version",
            "name": "15.00.1497.044",
            "product": {
              "name": "Microsoft Exchange Server 2013 Cumulative Update 23 15.00.1497.044",
              "product_id": "11682"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Exchange Server 2013 Cumulative Update 23"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c15.01.2375.037",
            "product": {
              "name": "Microsoft Exchange Server 2016 Cumulative Update 22 \u003c15.01.2375.037",
              "product_id": "4"
            }
          },
          {
            "category": "product_version",
            "name": "15.01.2375.037",
            "product": {
              "name": "Microsoft Exchange Server 2016 Cumulative Update 22 15.01.2375.037",
              "product_id": "11956"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Exchange Server 2016 Cumulative Update 22"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c15.02.0986.036",
            "product": {
              "name": "Microsoft Exchange Server 2019 Cumulative Update 11 \u003c15.02.0986.036",
              "product_id": "3"
            }
          },
          {
            "category": "product_version",
            "name": "15.02.0986.036",
            "product": {
              "name": "Microsoft Exchange Server 2019 Cumulative Update 11 15.02.0986.036",
              "product_id": "11957"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Exchange Server 2019 Cumulative Update 11"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c15.02.1118.020",
            "product": {
              "name": "Microsoft Exchange Server 2019 Cumulative Update 12 \u003c15.02.1118.020",
              "product_id": "2"
            }
          },
          {
            "category": "product_version",
            "name": "15.02.1118.020",
            "product": {
              "name": "Microsoft Exchange Server 2019 Cumulative Update 12 15.02.1118.020",
              "product_id": "12038"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Exchange Server 2019 Cumulative Update 12"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c15.01.2507.016",
            "product": {
              "name": "Microsoft Exchange Server 2016 Cumulative Update 23 \u003c15.01.2507.016",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "15.01.2507.016",
            "product": {
              "name": "Microsoft Exchange Server 2016 Cumulative Update 23 15.01.2507.016",
              "product_id": "12039"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Exchange Server 2016 Cumulative Update 23"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-41040",
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "Yes, the attacker must be authenticated.",
          "title": "According to the CVSS metric, privileges required is low (PR:L). Does the attacker need to be in an authenticated role on the Exchange Server?"
        },
        {
          "category": "faq",
          "text": "Exchange Server customers should review and apply the mitigation instructions described in Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Server.",
          "title": "Do I need to take further steps to be protected from this vulnerability?"
        },
        {
          "category": "faq",
          "text": "The privileges acquired by the attacker would be the ability to run PowerShell in the context of the system.",
          "title": "What privileges can an attacker gain by exploiting this vulnerability?"
        },
        {
          "category": "faq",
          "text": "Please see Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Server for more information",
          "title": "Where can I find more information about this CVE?"
        }
      ],
      "product_status": {
        "fixed": [
          "11682",
          "11956",
          "11957",
          "12038",
          "12039"
        ],
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2022-41040 Microsoft Exchange Server Elevation of Privilege Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41040"
        },
        {
          "category": "self",
          "summary": "CVE-2022-41040 Microsoft Exchange Server Elevation of Privilege Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2022/msrc_cve-2022-41040.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2022-09-30T07:00:00.000Z",
          "details": "15.00.1497.044:Security Update:https://support.microsoft.com/help/5019758",
          "product_ids": [
            "5"
          ],
          "url": "https://support.microsoft.com/help/5019758"
        },
        {
          "category": "vendor_fix",
          "date": "2022-09-30T07:00:00.000Z",
          "details": "15.01.2375.037:Security Update:https://support.microsoft.com/help/5019758",
          "product_ids": [
            "4"
          ],
          "url": "https://support.microsoft.com/help/5019758"
        },
        {
          "category": "vendor_fix",
          "date": "2022-09-30T07:00:00.000Z",
          "details": "15.02.0986.036:Security Update:https://support.microsoft.com/help/5019758",
          "product_ids": [
            "3"
          ],
          "url": "https://support.microsoft.com/help/5019758"
        },
        {
          "category": "vendor_fix",
          "date": "2022-09-30T07:00:00.000Z",
          "details": "15.02.1118.020:Security Update:https://support.microsoft.com/help/5019758",
          "product_ids": [
            "2"
          ],
          "url": "https://support.microsoft.com/help/5019758"
        },
        {
          "category": "vendor_fix",
          "date": "2022-09-30T07:00:00.000Z",
          "details": "15.01.2507.016:Security Update:https://support.microsoft.com/help/5019758",
          "product_ids": [
            "1"
          ],
          "url": "https://support.microsoft.com/help/5019758"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "PROOF_OF_CONCEPT",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 7.9,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Elevation of Privilege"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:Yes;Latest Software Release:Exploitation Detected"
        }
      ],
      "title": "Microsoft Exchange Server Elevation of Privilege Vulnerability"
    }
  ]
}