{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-96960", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2026-09-23T20:35:19.929Z", "datePublished": "2026-10-13T19:01:27.400Z", "dateUpdated": "2026-10-15T22:30:55.148Z" }, "containers": { "cna": { "title": ".NET Denial of Service Vulnerability", "datePublic": "2026-10-13T14:00:00.000Z", "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:system.security.cryptography.xml:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.0", "versionEndExcluding": "10.0.13" }, { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5.0", "versionEndExcluding": "2.0.50727.9188 AND 3.0.30729.9171" }, { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net_framework:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0.0.0", "versionEndExcluding": "2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0" }, { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7.0", "versionEndExcluding": "2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0" }, { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8.0", "versionEndExcluding": "2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0" }, { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7.0", "versionEndExcluding": "4.7.4150.0" }, { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8.0", "versionEndExcluding": "4.8.4811.0" }, { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8.1", "versionEndExcluding": "2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0" }, { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net_framework:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8.0.0", "versionEndExcluding": "4.8.9363.0" } ] } ] } ], "affected": [ { "vendor": "Microsoft", "product": "Microsoft .NET Framework 3.5", "platforms": [ "Windows 11 version 26H1", "Windows Server 2012", "Windows Server 2012 R2" ], "versions": [ { "version": "3.5.0", "lessThan": "2.0.50727.9188 AND 3.0.30729.9171", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2", "platforms": [ "Windows 10 version 1607", "Windows Server 2016", "Windows Server 2019" ], "versions": [ { "version": "3.0.0.0", "lessThan": "2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Microsoft .NET Framework 3.5 AND 4.7.2", "platforms": [ "Windows 10 version 1809" ], "versions": [ { "version": "4.7.0", "lessThan": "2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Microsoft .NET Framework 3.5 AND 4.8", "platforms": [ "Windows 10 version 1809", "Windows 10 version 21H2", "Windows 10 version 22H2", "Windows Server 2019", "Windows Server 2022" ], "versions": [ { "version": "4.8.0", "lessThan": "2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Microsoft .NET Framework 3.5 AND 4.8.1", "platforms": [ "Windows 10 version 21H2", "Windows 10 version 22H2", "Windows 11 version 23H2", "Windows 11 version 24H2", "Windows 11 version 25H2", "Windows 11 version 26H2", "Windows Server 2022", "Windows Server 2025" ], "versions": [ { "version": "4.8.1", "lessThan": "2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2", "platforms": [ "Windows Server 2012", "Windows Server 2012 R2" ], "versions": [ { "version": "4.7.0", "lessThan": "4.7.4150.0", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Microsoft .NET Framework 4.8", "platforms": [ "Windows 10 version 1607", "Windows Server 2012", "Windows Server 2012 R2", "Windows Server 2016" ], "versions": [ { "version": "4.8.0", "lessThan": "4.8.4811.0", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Microsoft .NET Framework 4.8.1", "platforms": [ "Windows 11 version 26H1" ], "versions": [ { "version": "4.8.0.0", "lessThan": "4.8.9363.0", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "System.Security.Cryptography.Xml", "platforms": [ ".NET 10.0 installed on Linux", ".NET 10.0 installed on Mac OS", ".NET 10.0 installed on Windows", ".NET 11.0 installed on Linux", ".NET 11.0 installed on Mac OS", ".NET 11.0 installed on Windows", ".NET 8.0 installed on Linux", ".NET 8.0 installed on Mac OS", ".NET 8.0 installed on Windows", ".NET 9.0 installed on Linux", ".NET 9.0 installed on Mac OS", ".NET 9.0 installed on Windows" ], "versions": [ { "version": "10.0.0", "lessThan": "10.0.13", "versionType": "custom", "status": "affected" } ] } ], "descriptions": [ { "value": "Asymmetric resource consumption (amplification) in .NET allows an unauthorized attacker to deny service over a network.", "lang": "en-US" } ], "problemTypes": [ { "descriptions": [ { "description": "CWE-405: Asymmetric Resource Consumption (Amplification)", "lang": "en-US", "type": "CWE", "cweId": "CWE-405" } ] } ], "providerMetadata": { "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-10-15T22:30:55.148Z" }, "references": [ { "name": ".NET Denial of Service Vulnerability", "tags": [ "vendor-advisory", "patch" ], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96960" } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en-US", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.5, "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" } } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2026-96960", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2026-10-13T19:37:53.830470Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-13T19:41:47.425Z" } } ] } }