CVE-2026-50364

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