{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-45588", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2026-05-12T19:55:45.729Z", "datePublished": "2026-06-09T17:05:08.734Z", "dateUpdated": "2026-06-23T17:44:27.375Z" }, "containers": { "cna": { "title": "Secure Boot Security Feature Bypass Vulnerability", "datePublic": "2026-06-09T14:00:00.000Z", "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*", "versionStartIncluding": "10.0.17763.0", "versionEndExcluding": "10.0.17763.8880" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.17763.0", "versionEndExcluding": "10.0.17763.8880" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.17763.0", "versionEndExcluding": "10.0.17763.8880" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.20348.0", "versionEndExcluding": "10.0.20348.5256" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_21H2:*:*:*:*:*:*:x86:*", "versionStartIncluding": "10.0.19044.0", "versionEndExcluding": "10.0.19044.7417" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x64:*", "versionStartIncluding": "10.0.19045.0", "versionEndExcluding": "10.0.19045.7417" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.26100.0", "versionEndExcluding": "10.0.26100.32995" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*", "versionStartIncluding": "10.0.26200.0", "versionEndExcluding": "10.0.26200.8655" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*", "versionStartIncluding": "10.0.22631.0", "versionEndExcluding": "10.0.22631.7219" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*", "versionStartIncluding": "10.0.22631.0", "versionEndExcluding": "10.0.22631.7219" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*", "versionStartIncluding": "10.0.26100.0", "versionEndExcluding": "10.0.26100.8655" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.26100.0", "versionEndExcluding": "10.0.26100.32995" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*", "versionStartIncluding": "10.0.28000.0", "versionEndExcluding": "10.0.28000.2269" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*", "versionStartIncluding": "10.0.14393.0", "versionEndExcluding": "10.0.14393.9234" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.14393.0", "versionEndExcluding": "10.0.14393.9234" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.14393.0", "versionEndExcluding": "10.0.14393.9234" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*", "versionStartIncluding": "6.2.9200.0", "versionEndExcluding": "6.2.9200.26132" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*", "versionStartIncluding": "6.2.9200.0", "versionEndExcluding": "6.2.9200.26132" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*", "versionStartIncluding": "6.3.9600.0", "versionEndExcluding": "6.3.9600.23228" }, { "vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*", "versionStartIncluding": "6.3.9600.0", "versionEndExcluding": "6.3.9600.23228" } ] } ] } ], "affected": [ { "vendor": "Microsoft", "product": "Windows 10 Version 1607", "platforms": [ "32-bit Systems", "x64-based Systems" ], "versions": [ { "version": "10.0.14393.0", "lessThan": "10.0.14393.9234", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Windows 10 Version 1809", "platforms": [ "32-bit Systems", "x64-based Systems" ], "versions": [ { "version": "10.0.17763.0", "lessThan": "10.0.17763.8880", "versionType": "custom", "status": "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": "10.0.19044.7417", "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": "10.0.19045.7417", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Windows 11 version 23H2", "platforms": [ "ARM64-based Systems" ], "versions": [ { "version": "10.0.22631.0", "lessThan": "10.0.22631.7219", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Windows 11 Version 23H2", "platforms": [ "x64-based Systems" ], "versions": [ { "version": "10.0.22631.0", "lessThan": "10.0.22631.7219", "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": "10.0.26100.8655", "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": "10.0.26200.8655", "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": "10.0.28000.2269", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Windows Server 2012", "platforms": [ "x64-based Systems" ], "versions": [ { "version": "6.2.9200.0", "lessThan": "6.2.9200.26132", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Windows Server 2012 (Server Core installation)", "platforms": [ "x64-based Systems" ], "versions": [ { "version": "6.2.9200.0", "lessThan": "6.2.9200.26132", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Windows Server 2012 R2", "platforms": [ "x64-based Systems" ], "versions": [ { "version": "6.3.9600.0", "lessThan": "6.3.9600.23228", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Windows Server 2012 R2 (Server Core installation)", "platforms": [ "x64-based Systems" ], "versions": [ { "version": "6.3.9600.0", "lessThan": "6.3.9600.23228", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Windows Server 2016", "platforms": [ "x64-based Systems" ], "versions": [ { "version": "10.0.14393.0", "lessThan": "10.0.14393.9234", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Windows Server 2016 (Server Core installation)", "platforms": [ "x64-based Systems" ], "versions": [ { "version": "10.0.14393.0", "lessThan": "10.0.14393.9234", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Windows Server 2019", "platforms": [ "x64-based Systems" ], "versions": [ { "version": "10.0.17763.0", "lessThan": "10.0.17763.8880", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Windows Server 2019 (Server Core installation)", "platforms": [ "x64-based Systems" ], "versions": [ { "version": "10.0.17763.0", "lessThan": "10.0.17763.8880", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Windows Server 2022", "platforms": [ "x64-based Systems" ], "versions": [ { "version": "10.0.20348.0", "lessThan": "10.0.20348.5256", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Windows Server 2025", "platforms": [ "x64-based Systems" ], "versions": [ { "version": "10.0.26100.0", "lessThan": "10.0.26100.32995", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Windows Server 2025 (Server Core installation)", "platforms": [ "x64-based Systems" ], "versions": [ { "version": "10.0.26100.0", "lessThan": "10.0.26100.32995", "versionType": "custom", "status": "affected" } ] } ], "descriptions": [ { "value": "Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.", "lang": "en-US" } ], "problemTypes": [ { "descriptions": [ { "description": "CWE-693: Protection Mechanism Failure", "lang": "en-US", "type": "CWE", "cweId": "CWE-693" } ] } ], "providerMetadata": { "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-06-23T17:44:27.375Z" }, "references": [ { "name": "Secure Boot Security Feature Bypass Vulnerability", "tags": [ "vendor-advisory", "patch" ], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45588" } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en-US", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.9, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C" } } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-06-10T03:55:36.106764Z", "id": "CVE-2026-45588", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-10T10:24:56.327Z" } } ] } }