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An attacker could then run a specially crafted command that could exploit the vulnerability and delete protected files on an affected system once MpSigStub.exe ran again.\nThe update addresses the vulnerability and blocks the arbitrary deletion."},{"lang":"es","value":"Existe una vulnerabilidad de elevación de privilegios cuando el archivo MpSigStub.exe para Defender permite la eliminación de archivos en ubicaciones arbitrarias. Para explotar la vulnerabilidad, un atacante primero tiene que  iniciar sesión en el sistema, también se conoce como \"Microsoft Defender Elevation of Privilege Vulnerability\"."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.2}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:N/I:C/A:C","baseScore":6.6,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"MEDIUM","exploitabilityScore":3.9,"impactScore":9.2,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:windows_defender:-:*:*:*:*:*:*:*","matchCriteriaId":"794244D1-F317-44C8-8338-3DA74E71D4B0"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*","matchCriteriaId":"21540673-614A-4D40-8BD7-3F07723803B0"},{"vulnerable":false,"criteria":"cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*","matchCriteriaId":"E01A4CCA-4C43-46E0-90E6-3E4DBFBACD64"},{"vulnerable":false,"criteria":"cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:*","matchCriteriaId":"AEE2E768-0F45-46E1-B6D7-087917109D98"},{"vulnerable":false,"criteria":"cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*","matchCriteriaId":"83B14968-3985-43C3-ACE5-8307196EFAE3"},{"vulnerable":false,"criteria":"cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*","matchCriteriaId":"C2B1C231-DE19-4B8F-A4AA-5B3A65276E46"},{"vulnerable":false,"criteria":"cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*","matchCriteriaId":"E93068DB-549B-45AB-8E5C-00EB5D8B5CF8"},{"vulnerable":false,"criteria":"cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*","matchCriteriaId":"C6CE5198-C498-4672-AF4C-77AB4BE06C5C"},{"vulnerable":false,"criteria":"cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*","matchCriteriaId":"5F422A8C-2C4E-42C8-B420-E0728037E15C"},{"vulnerable":false,"criteria":"cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*","matchCriteriaId":"B320A104-9037-487E-BC9A-62B4A6B49FD0"},{"vulnerable":false,"criteria":"cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*","matchCriteriaId":"AF07A81D-12E5-4B1D-BFF9-C8D08C32FF4F"},{"vulnerable":false,"criteria":"cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*","matchCriteriaId":"A7DF96F8-BA6A-4780-9CA3-F719B3F81074"},{"vulnerable":false,"criteria":"cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*","matchCriteriaId":"DB18C4CE-5917-401E-ACF7-2747084FD36E"},{"vulnerable":false,"criteria":"cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*","matchCriteriaId":"041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:forefront_endpoint_protection_2010:-:*:*:*:*:*:*:*","matchCriteriaId":"43383FAA-0CD9-4D86-B957-814FE226D1E4"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:security_essentials:-:*:*:*:*:*:*:*","matchCriteriaId":"20FBA682-B703-4590-98E4-8897EED11DE0"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:system_center_endpoint_protection:*:*:*:*:*:*:*:*","matchCriteriaId":"4990D109-C2BF-4327-8A89-8F843FEF3DF5"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:system_center_endpoint_protection:2012:-:*:*:*:*:*:*","matchCriteriaId":"410C8132-8953-4A2E-AF04-BBB4044BA64C"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:system_center_endpoint_protection:2012:r2:*:*:*:*:*:*","matchCriteriaId":"D2D1AAB8-A55D-404A-A431-7F4A0201F488"}]}]}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1161","source":"secure@microsoft.com","tags":["Patch","Vendor Advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1161","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]}]}}]}