{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-109485", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2026-10-12T17:12:29.211Z", "datePublished": "2026-11-10T18:15:35.800Z", "dateUpdated": "2026-11-10T20:50:39.665Z"}, "containers": {"cna": {"title": "Microsoft 365 Agents SDK Information Disclosure Vulnerability", "datePublic": "2026-11-10T16:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:microsoft_agent_framework_sdk_for_dotnet:*:*:*:*:*:*:*:*", "versionStartIncluding": "1.21.0", "versionEndExcluding": "1.8.77"}]}]}], "affected": [{"vendor": "Microsoft", "product": "Microsoft Agent Framework SDK", "versions": [{"version": "1.21.0", "lessThan": "1.8.77", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Server-side request forgery (ssrf) in Microsoft 365 Agents SDK allows an authorized attacker to disclose information over a network.", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "CWE-918: Server-Side Request Forgery (SSRF)", "lang": "en-US", "type": "CWE", "cweId": "CWE-918"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-11-10T19:35:41.666Z"}, "references": [{"name": "Microsoft 365 Agents SDK Information Disclosure Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109485"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "MEDIUM", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-109485", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-10T20:48:37.943678Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-10T20:50:39.665Z"}}]}}

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{"affected": [{"affectedData": [{"product": "Microsoft Agent Framework SDK", "vendor": "Microsoft", "versions": [{"lessThan": "1.8.77", "status": "affected", "version": "1.21.0", "versionType": "custom"}]}], "source": "secure@microsoft.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Server-side request forgery (ssrf) in Microsoft 365 Agents SDK allows an authorized attacker to disclose information over a network."}], "id": "CVE-2026-109485", "lastModified": "2026-11-10T19:18:17.557", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 4.0, "source": "secure@microsoft.com", "type": "Primary"}]}, "published": "2026-11-10T19:18:17.430", "references": [{"source": "secure@microsoft.com", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109485"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "secure@microsoft.com", "type": "Primary"}]}

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