{"api_version":"1","generated_at":"2026-07-23T11:57:53+00:00","cve":"CVE-2026-50302","urls":{"html":"https://cve.report/CVE-2026-50302","api":"https://cve.report/api/cve/CVE-2026-50302.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-50302","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-50302"},"summary":{"title":"Windows Cryptographic Services Security Feature Bypass Vulnerability","description":"Improper certificate validation in Windows Cryptographic Services allows an unauthorized attacker to bypass a security feature over a network.","state":"PUBLISHED","assigner":"microsoft","published_at":"2026-07-14 18:17:28","updated_at":"2026-07-22 16:17:36"},"problem_types":["CWE-295","CWE-295 CWE-295: Improper Certificate Validation"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"}},{"version":"3.1","source":"secure@microsoft.com","type":"Secondary","score":"4.2","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","baseScore":4.2,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"4.2","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C","data":{"baseScore":4.2,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C","version":"3.1"}}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50302","name":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50302","refsource":"secure@microsoft.com","tags":["Patch","Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-50302","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50302","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Microsoft","product":"Windows 10 Version 21H2","version":"affected 10.0.19044.0 10.0.19044.7548 custom","platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"]},{"source":"CNA","vendor":"Microsoft","product":"Windows 10 Version 22H2","version":"affected 10.0.19045.0 10.0.19045.7548 custom","platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"]},{"source":"CNA","vendor":"Microsoft","product":"Windows 11 Version 24H2","version":"affected 10.0.26100.0 10.0.26100.8875 custom","platforms":["ARM64-based Systems","x64-based Systems"]},{"source":"CNA","vendor":"Microsoft","product":"Windows 11 Version 25H2","version":"affected 10.0.26200.0 10.0.26200.8875 custom","platforms":["ARM64-based Systems","x64-based Systems"]},{"source":"CNA","vendor":"Microsoft","product":"Windows 11 version 26H1","version":"affected 10.0.28000.0 10.0.28000.2525 custom","platforms":["ARM64-based Systems","x64-based Systems"]},{"source":"CNA","vendor":"Microsoft","product":"Windows Server 2022","version":"affected 10.0.20348.0 10.0.20348.5386 custom","platforms":["x64-based Systems"]},{"source":"CNA","vendor":"Microsoft","product":"Windows Server 2025","version":"affected 10.0.26100.0 10.0.26100.33158 custom","platforms":["x64-based Systems"]},{"source":"CNA","vendor":"Microsoft","product":"Windows Server 2025 (Server Core installation)","version":"affected 10.0.26100.0 10.0.26100.33158 custom","platforms":["x64-based Systems"]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"50302","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_10_21h2","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"arm64","cpe13":"*"},{"cve_year":"2026","cve_id":"50302","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_10_21h2","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"x64","cpe13":"*"},{"cve_year":"2026","cve_id":"50302","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_10_21h2","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"x86","cpe13":"*"},{"cve_year":"2026","cve_id":"50302","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_10_22h2","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"arm64","cpe13":"*"},{"cve_year":"2026","cve_id":"50302","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_10_22h2","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"x64","cpe13":"*"},{"cve_year":"2026","cve_id":"50302","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_10_22h2","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"x86","cpe13":"*"},{"cve_year":"2026","cve_id":"50302","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_11_24h2","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"arm64","cpe13":"*"},{"cve_year":"2026","cve_id":"50302","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_11_24h2","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"x64","cpe13":"*"},{"cve_year":"2026","cve_id":"50302","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_11_25h2","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"arm64","cpe13":"*"},{"cve_year":"2026","cve_id":"50302","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_11_25h2","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"x64","cpe13":"*"},{"cve_year":"2026","cve_id":"50302","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_11_26h1","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"arm64","cpe13":"*"},{"cve_year":"2026","cve_id":"50302","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_11_26h1","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"x64","cpe13":"*"},{"cve_year":"2026","cve_id":"50302","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_server_2022","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"50302","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_server_2025","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"50302","cve":"CVE-2026-50302","epss":"0.002360000","percentile":"0.147010000","score_date":"2026-07-22","updated_at":"2026-07-23 00:09:31"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-50302","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-07-15T13:05:24.924102Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-07-15T13:30:46.554Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"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"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2022","vendor":"Microsoft","versions":[{"lessThan":"10.0.20348.5386","status":"affected","version":"10.0.20348.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2025","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.33158","status":"affected","version":"10.0.26100.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2025 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.33158","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*","versionEndExcluding":"10.0.20348.5386","versionStartIncluding":"10.0.20348.0","vulnerable":true},{"criteria":"cpe:2.3:o:microsoft:windows_10_21H2:*:*:*:*:*:*:x86:*","versionEndExcluding":"10.0.19044.7548","versionStartIncluding":"10.0.19044.0","vulnerable":true},{"criteria":"cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x64:*","versionEndExcluding":"10.0.19045.7548","versionStartIncluding":"10.0.19045.0","vulnerable":true},{"criteria":"cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*","versionEndExcluding":"10.0.26100.33158","versionStartIncluding":"10.0.26100.0","vulnerable":true},{"criteria":"cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*","versionEndExcluding":"10.0.26200.8875","versionStartIncluding":"10.0.26200.0","vulnerable":true},{"criteria":"cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*","versionEndExcluding":"10.0.26100.8875","versionStartIncluding":"10.0.26100.0","vulnerable":true},{"criteria":"cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*","versionEndExcluding":"10.0.26100.33158","versionStartIncluding":"10.0.26100.0","vulnerable":true},{"criteria":"cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*","versionEndExcluding":"10.0.28000.2525","versionStartIncluding":"10.0.28000.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"datePublic":"2026-07-14T14:00:00.000Z","descriptions":[{"lang":"en-US","value":"Improper certificate validation in Windows Cryptographic Services allows an unauthorized attacker to bypass a security feature over a network."}],"metrics":[{"cvssV3_1":{"baseScore":4.2,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-295","description":"CWE-295: Improper Certificate Validation","lang":"en-US","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-07-22T15:32:40.699Z","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft"},"references":[{"name":"Windows Cryptographic Services Security Feature Bypass Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50302"}],"title":"Windows Cryptographic Services Security Feature Bypass Vulnerability"}},"cveMetadata":{"assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","assignerShortName":"microsoft","cveId":"CVE-2026-50302","datePublished":"2026-07-14T17:06:18.717Z","dateReserved":"2026-06-04T17:30:16.975Z","dateUpdated":"2026-07-22T15:32:40.699Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-14 18:17:28","lastModifiedDate":"2026-07-22 16:17:36","problem_types":["CWE-295","CWE-295 CWE-295: Improper Certificate Validation"],"metrics":{"cvssMetricV31":[{"source":"secure@microsoft.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","baseScore":4.2,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":1.6,"impactScore":2.5},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":2.5}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-15T13:05:24.924102Z","id":"CVE-2026-50302","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*","versionEndExcluding":"10.0.19044.7548","matchCriteriaId":"038B4A9C-95B9-440A-83A2-AF10BC24590C"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*","versionEndExcluding":"10.0.19044.7548","matchCriteriaId":"FCA35115-58F4-4015-9CA2-C33F45605AA6"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*","versionEndExcluding":"10.0.19044.7548","matchCriteriaId":"02C2F9D5-439A-45D2-98EB-08DB85673712"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*","versionEndExcluding":"10.0.19045.7548","matchCriteriaId":"80F87C10-5D02-4EC9-B1A4-8FD7F6CFE758"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*","versionEndExcluding":"10.0.19045.7548","matchCriteriaId":"048B08D3-1959-47C0-A592-FCF0DCCD65A4"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*","versionEndExcluding":"10.0.19045.7548","matchCriteriaId":"A41562FD-04BC-4FC3-B847-D87D164A9C15"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*","versionEndExcluding":"10.0.26100.8875","matchCriteriaId":"6D55C01A-5908-4CFC-BEB6-BBF3B6F0C5AF"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*","versionEndExcluding":"10.0.26100.8875","matchCriteriaId":"740B730D-AEC5-4735-A122-B1CF8B3C364C"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*","versionEndExcluding":"10.0.26200.8875","matchCriteriaId":"E26E96B6-1469-46AE-9CB5-AB7A0372C398"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*","versionEndExcluding":"10.0.26200.8875","matchCriteriaId":"DDBCA9E4-7BFB-423A-B7A7-9CBF5625053D"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*","versionEndExcluding":"10.0.28000.2269","matchCriteriaId":"8967AF79-CAD0-4F87-85A5-95D031C9FEFA"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*","versionEndExcluding":"10.0.28000.2525","matchCriteriaId":"8E90830B-0BD1-4D01-9C7D-0F0E1828A0F5"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*","versionEndExcluding":"10.0.20348.5386","matchCriteriaId":"9E9A0C18-3AD2-4E59-97AF-A2343E466929"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*","versionEndExcluding":"10.0.26100.33158","matchCriteriaId":"22BE2FE9-37B9-4FF2-B43A-60A3518E0F08"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"50302","Ordinal":"1","Title":"Windows Cryptographic Services Security Feature Bypass Vulnerabi","CVE":"CVE-2026-50302","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"50302","Ordinal":"1","NoteData":"Improper certificate validation in Windows Cryptographic Services allows an unauthorized attacker to bypass a security feature over a network.","Type":"Description","Title":"Windows Cryptographic Services Security Feature Bypass Vulnerabi"}]}}}