CVE-2026-65815

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-65815", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2026-07-22T21:36:47.630Z", "datePublished": "2026-08-11T17:05:05.569Z", "dateUpdated": "2026-11-10T21:58:48.348Z"}, "containers": {"cna": {"title": "Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability", "datePublic": "2026-08-11T14:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:dynamics_365:*:*:*:*:on-premises:*:*:*", "versionStartIncluding": "9.0", "versionEndExcluding": "9.1.0047.0006"}]}]}], "affected": [{"vendor": "Microsoft", "product": "Microsoft Dynamics 365 (on-premises) version 9.1", "versions": [{"version": "9.0", "lessThan": "9.1.0047.0006", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Deserialization of untrusted data in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network.", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "CWE-502: Deserialization of Untrusted Data", "lang": "en-US", "type": "CWE", "cweId": "CWE-502"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-11-10T21:58:48.348Z"}, "references": [{"name": "Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65815"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-65815", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-12T03:56:10.129277Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-12T13:52:35.772Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-65815", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-12T03:56:10.129277Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-12T13:44:43.640Z"}}], "cna": {"title": "Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability", "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 8.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}, "scenarios": [{"lang": "en-US", "value": "GENERAL"}]}], "affected": [{"vendor": "Microsoft", "product": "Microsoft Dynamics 365 (on-premises) version 9.1", "versions": [{"status": "affected", "version": "9.0", "lessThan": "9.1.0047.0006", "versionType": "custom"}]}], "datePublic": "2026-08-11T14:00:00.000Z", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65815", "name": "Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability", "tags": ["vendor-advisory", "patch"]}], "descriptions": [{"lang": "en-US", "value": "Deserialization of untrusted data in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network."}], "problemTypes": [{"descriptions": [{"lang": "en-US", "type": "CWE", "cweId": "CWE-502", "description": "CWE-502: Deserialization of Untrusted Data"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:dynamics_365:*:*:*:*:on-premises:*:*:*", "vulnerable": true, "versionEndExcluding": "9.1.0047.0006", "versionStartIncluding": "9.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-11-10T21:58:48.348Z"}}}, "cveMetadata": {"cveId": "CVE-2026-65815", "state": "PUBLISHED", "dateUpdated": "2026-11-10T21:58:48.348Z", "dateReserved": "2026-07-22T21:36:47.630Z", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "datePublished": "2026-08-11T17:05:05.569Z", "assignerShortName": "microsoft"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "Microsoft Dynamics 365 (on-premises) version 9.1", "vendor": "Microsoft", "versions": [{"lessThan": "9.1.0047.0006", "status": "affected", "version": "9.0", "versionType": "custom"}]}], "source": "secure@microsoft.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:dynamics_365:*:*:*:*:on-premises:*:*:*", "matchCriteriaId": "6393D408-8AA0-451C-A452-399072401C2B", "versionEndExcluding": "9.1.47.06", "versionStartIncluding": "9.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Deserialization of untrusted data in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network."}, {"lang": "es", "value": "La deserializaci\u00f3n de datos no confiables en Microsoft Dynamics 365 (local) permite a un atacante autorizado ejecutar c\u00f3digo a trav\u00e9s de una red."}], "id": "CVE-2026-65815", "lastModified": "2026-10-24T16:10:00.153", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "secure@microsoft.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-65815", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-12T03:56:10.129277Z", "version": "2.0.3"}}]}, "published": "2026-08-11T17:19:01.157", "references": [{"source": "secure@microsoft.com", "tags": ["Vendor Advisory", "Patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65815"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "secure@microsoft.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[9.0,9.1.0047.0006)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Microsoft Dynamics 365 (on-premises) version 9.1", "source": "cna", "vendor": "Microsoft"}, "product": "dynamics_365", "vendor": "microsoft"}], "created": "2026-08-12T15:00:06.673325+00:00", "updated": "2026-08-12T16:00:03.961184+00:00", "vendors": ["microsoft", "microsoft$PRODUCT$dynamics_365"]}