{"affected": [{"affectedData": [{"product": "Windows 7", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "32-bit Systems Service Pack 1"}, {"status": "affected", "version": "x64-based Systems Service Pack 1"}]}, {"product": "Windows Server 2012 R2", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "(Server Core installation)"}]}, {"product": "Windows RT 8.1", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "Windows RT 8.1"}]}, {"product": "Windows Server 2008", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "32-bit Systems Service Pack 2"}, {"status": "affected", "version": "32-bit Systems Service Pack 2 (Server Core installation)"}, {"status": "affected", "version": "Itanium-Based Systems Service Pack 2"}, {"status": "affected", "version": "x64-based Systems Service Pack 2"}, {"status": "affected", "version": "x64-based Systems Service Pack 2 (Server Core installation)"}]}, {"product": "Windows Server 2019", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "(Server Core installation)"}]}, {"product": "Windows Server 2012", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "(Server Core installation)"}]}, {"product": "Windows 8.1", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "32-bit systems"}, {"status": "affected", "version": "x64-based systems"}]}, {"product": "Windows Server 2016", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "(Server Core installation)"}]}, {"product": "Windows Server 2008 R2", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "Itanium-Based Systems Service Pack 1"}, {"status": "affected", "version": "x64-based Systems Service Pack 1"}, {"status": "affected", "version": "x64-based Systems Service Pack 1 (Server Core installation)"}]}, {"product": "Windows 10", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "32-bit Systems"}, {"status": "affected", "version": "Version 1607 for 32-bit Systems"}, {"status": "affected", "version": "Version 1607 for x64-based Systems"}, {"status": "affected", "version": "Version 1703 for 32-bit Systems"}, {"status": "affected", "version": "Version 1703 for x64-based Systems"}, {"status": "affected", "version": "Version 1709 for 32-bit Systems"}, {"status": "affected", "version": "Version 1709 for x64-based Systems"}, {"status": "affected", "version": "Version 1803 for 32-bit Systems"}, {"status": "affected", "version": "Version 1803 for x64-based Systems"}, {"status": "affected", "version": "Version 1809 for 32-bit Systems"}, {"status": "affected", "version": "Version 1809 for x64-based Systems"}, {"status": "affected", "version": "x64-based Systems"}]}, {"product": "Windows 10 Servers", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "version 1709 (Server Core Installation)"}, {"status": "affected", "version": "version 1803 (Server Core Installation)"}]}], "source": "secure@microsoft.com"}], "cisaActionDue": "2022-07-21", "cisaExploitAdd": "2022-01-21", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Microsoft Win32k Privilege Escalation Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:*:*", "matchCriteriaId": "542DAEEC-73CC-46C6-A630-BF474A3446AC", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:*:*", "matchCriteriaId": "61019899-D7AF-46E4-A72C-D189180F66AB", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:*:*", "matchCriteriaId": "E1DD582C-1660-4E6E-81A1-537BD1307A99", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:*:*", "matchCriteriaId": "AC160B20-3EA0-49A0-A857-4E7A1C2D74E2", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*", "matchCriteriaId": "00345596-E9E0-4096-8DC6-0212F4747A13", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:*", "matchCriteriaId": "2E332666-2E03-468E-BC30-299816D6E8ED", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*", "matchCriteriaId": "C2B1C231-DE19-4B8F-A4AA-5B3A65276E46", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*", "matchCriteriaId": "E93068DB-549B-45AB-8E5C-00EB5D8B5CF8", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*", "matchCriteriaId": "C6CE5198-C498-4672-AF4C-77AB4BE06C5C", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_1709:-:*:*:*:*:*:*:*", "matchCriteriaId": "53695559-6E95-43C1-AD7C-1D99473223C2", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_1803:-:*:*:*:*:*:*:*", "matchCriteriaId": "37097C39-D588-4018-B94D-5EB87B1E3D5A", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*", "matchCriteriaId": "5F422A8C-2C4E-42C8-B420-E0728037E15C", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*", "matchCriteriaId": "2ACA9287-B475-4AF7-A4DA-A7143CEF9E57", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*", "matchCriteriaId": "A7DF96F8-BA6A-4780-9CA3-F719B3F81074", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*", "matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*", "matchCriteriaId": "041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*", "matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka \"Win32k Elevation of Privilege Vulnerability.\" This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers."}, {"lang": "es", "value": "Existe una vulnerabilidad de elevaci\u00f3n de privilegios en Windows cuando el componente Win32k no gestiona adecuadamente los objetos en la memoria. Esto tambi\u00e9n se conoce como \"Win32k Elevation of Privilege Vulnerability\". Esto afecta a Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10 y Windows 10 Servers."}], "id": "CVE-2018-8453", "lastModified": "2026-08-13T05:17:19.440", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2018-8453", "options": [{"exploitation": "active"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2022-01-20T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2018-10-10T13:29:02.557", "references": [{"source": "secure@microsoft.com", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/153669/Microsoft-Windows-NtUserSetWindowFNID-Win32k-User-Callback.html"}, {"source": "secure@microsoft.com", "tags": ["Broken Link", "Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/105467"}, {"source": "secure@microsoft.com", "tags": ["Broken Link", "Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1041828"}, {"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8453"}, {"source": "secure@microsoft.com", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "url": "https://securelist.com/cve-2018-8453-used-in-targeted-attack"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/153669/Microsoft-Windows-NtUserSetWindowFNID-Win32k-User-Callback.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/105467"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1041828"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8453"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "url": "https://securelist.com/cve-2018-8453-used-in-targeted-attack"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8453"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}
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