MSRC_CVE-2026-26130

Vulnerability from csaf_microsoft - Published: 2026-03-10 07:00 - Updated: 2026-03-10 07:00
Summary
ASP.NET Core Denial of Service Vulnerability
Severity
Important
Notes
Additional Resources: To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer: 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.
Customer Action: Required. The vulnerability documented by this CVE requires customer action to resolve.
CWE-770 - Allocation of Resources Without Limits or Throttling
Vendor Fix 8.0.25:Security Update:https://support.microsoft.com/help/5081277 https://support.microsoft.com/help/5081277
Vendor Fix 9.0.14:Security Update:https://support.microsoft.com/help/5081278 https://support.microsoft.com/help/5081278
Vendor Fix 10.0.4:Security Update:https://support.microsoft.com/help/5081276 https://support.microsoft.com/help/5081276
Acknowledgments
<a href="http://github.com/bdach">Bartłomiej Dach</a>

{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "\u003ca href=\"http://github.com/bdach\"\u003eBart\u0142omiej Dach\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-2026-26130 ASP.NET Core Denial of Service Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26130"
      },
      {
        "category": "self",
        "summary": "CVE-2026-26130 ASP.NET Core Denial of Service Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-26130.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": "ASP.NET Core Denial of Service Vulnerability",
    "tracking": {
      "current_release_date": "2026-03-10T07:00:00.000Z",
      "generator": {
        "date": "2026-03-10T17:04:32.315Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2026-26130",
      "initial_release_date": "2026-03-10T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-03-10T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c8.0.25",
            "product": {
              "name": "ASP.NET Core 8.0 \u003c8.0.25",
              "product_id": "3"
            }
          },
          {
            "category": "product_version",
            "name": "8.0.25",
            "product": {
              "name": "ASP.NET Core 8.0 8.0.25",
              "product_id": "12256"
            }
          }
        ],
        "category": "product_name",
        "name": "ASP.NET Core 8.0"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c9.0.14",
            "product": {
              "name": "ASP.NET Core 9.0 \u003c9.0.14",
              "product_id": "2"
            }
          },
          {
            "category": "product_version",
            "name": "9.0.14",
            "product": {
              "name": "ASP.NET Core 9.0 9.0.14",
              "product_id": "12507"
            }
          }
        ],
        "category": "product_name",
        "name": "ASP.NET Core 9.0"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.4",
            "product": {
              "name": "ASP.NET Core 10.0 \u003c10.0.4",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.4",
            "product": {
              "name": "ASP.NET Core 10.0 10.0.4",
              "product_id": "20932"
            }
          }
        ],
        "category": "product_name",
        "name": "ASP.NET Core 10.0"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-26130",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "12256",
          "12507",
          "20932"
        ],
        "known_affected": [
          "1",
          "2",
          "3"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-26130 ASP.NET Core Denial of Service Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26130"
        },
        {
          "category": "self",
          "summary": "CVE-2026-26130 ASP.NET Core Denial of Service Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-26130.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-03-10T07:00:00.000Z",
          "details": "8.0.25:Security Update:https://support.microsoft.com/help/5081277",
          "product_ids": [
            "3"
          ],
          "url": "https://support.microsoft.com/help/5081277"
        },
        {
          "category": "vendor_fix",
          "date": "2026-03-10T07:00:00.000Z",
          "details": "9.0.14:Security Update:https://support.microsoft.com/help/5081278",
          "product_ids": [
            "2"
          ],
          "url": "https://support.microsoft.com/help/5081278"
        },
        {
          "category": "vendor_fix",
          "date": "2026-03-10T07:00:00.000Z",
          "details": "10.0.4:Security Update:https://support.microsoft.com/help/5081276",
          "product_ids": [
            "1"
          ],
          "url": "https://support.microsoft.com/help/5081276"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 6.5,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Denial of Service"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "ASP.NET Core Denial of Service Vulnerability"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…