{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-50364", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2026-06-04T18:48:26.815Z", "datePublished": "2026-07-14T17:06:18.091Z", "dateUpdated": "2026-08-10T17:17:18.070Z"}, "containers": {"cna": {"title": "Windows Backup Service Elevation of Privilege Vulnerability", "datePublic": "2026-07-14T14:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_21H2:*:*:*:*:*:*:x86:*", "versionStartIncluding": "10.0.19044.0", "versionEndExcluding": "10.0.19044.7548"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x64:*", "versionStartIncluding": "10.0.19045.0", "versionEndExcluding": "10.0.19045.7548"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*", "versionStartIncluding": "10.0.26200.0", "versionEndExcluding": "10.0.26200.8875"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*", "versionStartIncluding": "10.0.26100.0", "versionEndExcluding": "10.0.26100.8875"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*", "versionStartIncluding": "10.0.28000.0", "versionEndExcluding": "10.0.28000.2525"}]}]}], "affected": [{"vendor": "Microsoft", "product": "Windows 10 Version 21H2", "platforms": ["32-bit Systems", "ARM64-based Systems", "x64-based Systems"], "versions": [{"version": "10.0.19044.0", "lessThan": "10.0.19044.7548", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows 10 Version 22H2", "platforms": ["32-bit Systems", "ARM64-based Systems", "x64-based Systems"], "versions": [{"version": "10.0.19045.0", "lessThan": "10.0.19045.7548", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows 11 Version 24H2", "platforms": ["ARM64-based Systems", "x64-based Systems"], "versions": [{"version": "10.0.26100.0", "lessThan": "10.0.26100.8875", "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": "10.0.26200.8875", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows 11 version 26H1", "platforms": ["ARM64-based Systems", "x64-based Systems"], "versions": [{"version": "10.0.28000.0", "lessThan": "10.0.28000.2525", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Improper link resolution before file access ('link following') in Windows Server Backup allows an authorized attacker to elevate privileges locally.", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "CWE-59: Improper Link Resolution Before File Access ('Link Following')", "lang": "en-US", "type": "CWE", "cweId": "CWE-59"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-08-10T17:17:18.070Z"}, "references": [{"name": "Windows Backup Service Elevation of Privilege Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50364"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.3, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-15T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-50364"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-16T03:56:00.245Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-50364", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-07-14T17:45:21.855034Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-14T17:45:22.991Z"}}], "cna": {"title": "Windows Backup Service Elevation of Privilege Vulnerability", "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 7.3, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}, "scenarios": [{"lang": "en-US", "value": "GENERAL"}]}], "affected": [{"vendor": "Microsoft", "product": "Windows 10 Version 21H2", "versions": [{"status": "affected", "version": "10.0.19044.0", "lessThan": "10.0.19044.7548", "versionType": "custom"}], "platforms": ["32-bit Systems", "ARM64-based Systems", "x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows 10 Version 22H2", "versions": [{"status": "affected", "version": "10.0.19045.0", "lessThan": "10.0.19045.7548", "versionType": "custom"}], "platforms": ["32-bit Systems", "ARM64-based Systems", "x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows 11 Version 24H2", "versions": [{"status": "affected", "version": "10.0.26100.0", "lessThan": "10.0.26100.8875", "versionType": "custom"}], "platforms": ["ARM64-based Systems", "x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows 11 Version 25H2", "versions": [{"status": "affected", "version": "10.0.26200.0", "lessThan": "10.0.26200.8875", "versionType": "custom"}], "platforms": ["ARM64-based Systems", "x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows 11 version 26H1", "versions": [{"status": "affected", "version": "10.0.28000.0", "lessThan": "10.0.28000.2525", "versionType": "custom"}], "platforms": ["ARM64-based Systems", "x64-based Systems"]}], "datePublic": "2026-07-14T14:00:00.000Z", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50364", "name": "Windows Backup Service Elevation of Privilege Vulnerability", "tags": ["vendor-advisory", "patch"]}], "descriptions": [{"lang": "en-US", "value": "Improper link resolution before file access ('link following') in Windows Server Backup allows an authorized attacker to elevate privileges locally."}], "problemTypes": [{"descriptions": [{"lang": "en-US", "type": "CWE", "cweId": "CWE-59", "description": "CWE-59: Improper Link Resolution Before File Access ('Link Following')"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10_21H2:*:*:*:*:*:*:x86:*", "vulnerable": true, "versionEndExcluding": "10.0.19044.7548", "versionStartIncluding": "10.0.19044.0"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "10.0.19045.7548", "versionStartIncluding": "10.0.19045.0"}, {"criteria": "cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*", "vulnerable": true, "versionEndExcluding": "10.0.26200.8875", "versionStartIncluding": "10.0.26200.0"}, {"criteria": "cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*", "vulnerable": true, "versionEndExcluding": "10.0.26100.8875", "versionStartIncluding": "10.0.26100.0"}, {"criteria": "cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "10.0.28000.2525", "versionStartIncluding": "10.0.28000.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-08-10T17:17:18.070Z"}}}, "cveMetadata": {"cveId": "CVE-2026-50364", "state": "PUBLISHED", "dateUpdated": "2026-08-10T17:17:18.070Z", "dateReserved": "2026-06-04T18:48:26.815Z", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "datePublished": "2026-07-14T17:06:18.091Z", "assignerShortName": "microsoft"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"platforms": ["32-bit Systems", "ARM64-based Systems", "x64-based Systems"], "product": "Windows 10 Version 21H2", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.19044.7548", "status": "affected", "version": "10.0.19044.0", "versionType": "custom"}]}, {"platforms": ["32-bit Systems", "ARM64-based Systems", "x64-based Systems"], "product": "Windows 10 Version 22H2", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.19045.7548", "status": "affected", "version": "10.0.19045.0", "versionType": "custom"}]}, {"platforms": ["ARM64-based Systems", "x64-based Systems"], "product": "Windows 11 Version 24H2", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.26100.8875", "status": "affected", "version": "10.0.26100.0", "versionType": "custom"}]}, {"platforms": ["ARM64-based Systems", "x64-based Systems"], "product": "Windows 11 Version 25H2", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.26200.8875", "status": "affected", "version": "10.0.26200.0", "versionType": "custom"}]}, {"platforms": ["ARM64-based Systems", "x64-based Systems"], "product": "Windows 11 version 26H1", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.28000.2525", "status": "affected", "version": "10.0.28000.0", "versionType": "custom"}]}], "source": "[email protected]"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*", "matchCriteriaId": "038B4A9C-95B9-440A-83A2-AF10BC24590C", "versionEndExcluding": "10.0.19044.7548", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*", "matchCriteriaId": "FCA35115-58F4-4015-9CA2-C33F45605AA6", "versionEndExcluding": "10.0.19044.7548", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*", "matchCriteriaId": "02C2F9D5-439A-45D2-98EB-08DB85673712", "versionEndExcluding": "10.0.19044.7548", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*", "matchCriteriaId": "80F87C10-5D02-4EC9-B1A4-8FD7F6CFE758", "versionEndExcluding": "10.0.19045.7548", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*", "matchCriteriaId": "048B08D3-1959-47C0-A592-FCF0DCCD65A4", "versionEndExcluding": "10.0.19045.7548", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*", "matchCriteriaId": "A41562FD-04BC-4FC3-B847-D87D164A9C15", "versionEndExcluding": "10.0.19045.7548", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*", "matchCriteriaId": "6D55C01A-5908-4CFC-BEB6-BBF3B6F0C5AF", "versionEndExcluding": "10.0.26100.8875", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*", "matchCriteriaId": "740B730D-AEC5-4735-A122-B1CF8B3C364C", "versionEndExcluding": "10.0.26100.8875", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*", "matchCriteriaId": "E26E96B6-1469-46AE-9CB5-AB7A0372C398", "versionEndExcluding": "10.0.26200.8875", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*", "matchCriteriaId": "DDBCA9E4-7BFB-423A-B7A7-9CBF5625053D", "versionEndExcluding": "10.0.26200.8875", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*", "matchCriteriaId": "8967AF79-CAD0-4F87-85A5-95D031C9FEFA", "versionEndExcluding": "10.0.28000.2269", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*", "matchCriteriaId": "8E90830B-0BD1-4D01-9C7D-0F0E1828A0F5", "versionEndExcluding": "10.0.28000.2525", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper link resolution before file access ('link following') in Windows Server Backup allows an authorized attacker to elevate privileges locally."}], "id": "CVE-2026-50364", "lastModified": "2026-07-22T16:17:45.917", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.3, "impactScore": 5.9, "source": "[email protected]", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-50364", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-15T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-07-14T17:17:00.897", "references": [{"source": "[email protected]", "tags": ["Patch", "Vendor Advisory"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50364"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}], "source": "[email protected]", "type": "Secondary"}]}

{}

{"created": "2026-07-16T14:45:04.217201+00:00", "updated": "2026-07-31T08:45:17.944328+00:00", "vendors": []}