{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-20851", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2025-12-03T05:54:20.377Z", "datePublished": "2026-01-13T17:56:29.398Z", "dateUpdated": "2026-07-30T20:46:46.322Z" }, "containers": { "cna": { "title": "Capability Access Management Service (camsvc) Information Disclosure Vulnerability", "datePublic": "2026-01-13T16:00:00.000Z", "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.26100.0", "versionEndExcluding": "10.0.26100.32230" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*", "versionStartIncluding": "10.0.26200.0", "versionEndExcluding": "10.0.26200.7623" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*", "versionStartIncluding": "10.0.26100.0", "versionEndExcluding": "10.0.26100.7623" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.26100.0", "versionEndExcluding": "10.0.26100.32230" } ] } ] } ], "affected": [ { "vendor": "Microsoft", "product": "Windows 11 Version 24H2", "platforms": [ "ARM64-based Systems", "x64-based Systems" ], "versions": [ { "version": "10.0.26100.0", "lessThan": "10.0.26100.7623", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Windows 11 Version 25H2", "platforms": [ "ARM64-based Systems", "x64-based Systems" ], "versions": [ { "version": "10.0.26200.0", "lessThan": "10.0.26200.7623", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Windows Server 2025", "platforms": [ "x64-based Systems" ], "versions": [ { "version": "10.0.26100.0", "lessThan": "10.0.26100.32230", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Windows Server 2025 (Server Core installation)", "platforms": [ "x64-based Systems" ], "versions": [ { "version": "10.0.26100.0", "lessThan": "10.0.26100.32230", "versionType": "custom", "status": "affected" } ] } ], "descriptions": [ { "value": "Out-of-bounds read in Capability Access Management Service (camsvc) allows an unauthorized attacker to disclose information locally.", "lang": "en-US" } ], "problemTypes": [ { "descriptions": [ { "description": "CWE-125: Out-of-bounds Read", "lang": "en-US", "type": "CWE", "cweId": "CWE-125" } ] } ], "providerMetadata": { "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-07-30T20:46:46.322Z" }, "references": [ { "name": "Capability Access Management Service (camsvc) Information Disclosure Vulnerability", "tags": [ "vendor-advisory", "patch" ], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20851" } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en-US", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "baseSeverity": "MEDIUM", "baseScore": 6.2, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C" } } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-01-13T19:35:50.249789Z", "id": "CVE-2026-20851", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-14T19:25:06.748Z" } } ] } }