{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "<a href=\"https://imap143.com/\">Myungyong Lee</a>"
        ]
      }
    ],
    "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-2026-88094 Azure Storage Library Elevation of Privilege Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88094"
      },
      {
        "category": "self",
        "summary": "CVE-2026-88094 Azure Storage Library Elevation of Privilege Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-88094.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": "Azure Storage Library Elevation of Privilege Vulnerability",
    "tracking": {
      "current_release_date": "2026-10-26T07:00:00.000Z",
      "generator": {
        "date": "2026-10-30T19:01:31.634Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2026-88094",
      "initial_release_date": "2026-10-13T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-10-13T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2026-10-26T07:00:00.000Z",
          "legacy_version": "2",
          "number": "2",
          "summary": "Added Edge software to the Security Updates table.  Customers that are running supported version of Edge are encouraged to update to the indicated version to be protected from this vulnerability."
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "<153.0.4234.46",
                "product": {
                  "name": "Microsoft Edge (Chromium-based) <153.0.4234.46",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "153.0.4234.46",
                "product": {
                  "name": "Microsoft Edge (Chromium-based) 153.0.4234.46",
                  "product_id": "21933"
                }
              }
            ],
            "category": "product_name",
            "name": "Microsoft Edge (Chromium-based)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "<12.31.2",
                "product": {
                  "name": "azure-storage-blob-batch <12.31.2",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "12.31.2",
                "product": {
                  "name": "azure-storage-blob-batch 12.31.2",
                  "product_id": "22006"
                }
              }
            ],
            "category": "product_name",
            "name": "azure-storage-blob-batch"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-88094",
      "cwe": {
        "id": "CWE-74",
        "name": "Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "An authenticated attacker who can supply a blob tag condition to an application using the affected library could submit a specially crafted value. Successful exploitation could allow the attacker to delete recovery snapshots or blobs beyond the operation authorized by the application. User interaction is not required.",
          "title": "How could an attacker exploit this vulnerability?"
        },
        {
          "category": "faq",
          "text": "An attacker could add unauthorized deletion options to a permitted storage operation, allowing recovery snapshots or blobs to be deleted when the application did not intend to authorize that action.",
          "title": "What privileges could be gained by an attacker who successfully exploited this vulnerability?"
        }
      ],
      "product_status": {
        "fixed": [
          "21933",
          "22006"
        ],
        "known_affected": [
          "1",
          "2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-88094 Azure Storage Library Elevation of Privilege Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88094"
        },
        {
          "category": "self",
          "summary": "CVE-2026-88094 Azure Storage Library Elevation of Privilege Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-88094.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-10-13T07:00:00.000Z",
          "details": "153.0.4234.46:Security Update:https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security",
          "product_ids": [
            "2"
          ],
          "url": "https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security"
        },
        {
          "category": "vendor_fix",
          "date": "2026-10-13T07:00:00.000Z",
          "details": "12.31.2:Security Update:https://github.com/Azure/azure-sdk-for-java/blob/main/sdk/storage/azure-storage-blob-batch/CHANGELOG.md#12312-2026-09-15",
          "product_ids": [
            "1"
          ],
          "url": "https://github.com/Azure/azure-sdk-for-java/blob/main/sdk/storage/azure-storage-blob-batch/CHANGELOG.md#12312-2026-09-15"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 7.1,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Elevation of Privilege"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Azure Storage Library Elevation of Privilege Vulnerability"
    }
  ]
}