{"containers":{"cna":{"title":"Windows NTLM Tampering 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An attacker who successfully exploited this vulnerability could gain the ability to downgrade NTLM security features.\nTo exploit this vulnerability, the attacker would need to tamper with the NTLM exchange. The attacker could then modify flags of the NTLM packet without invalidating the signature.\nThe update addresses the vulnerability by hardening NTLM MIC protection on the server-side.","lang":"en-US"}],"problemTypes":[{"descriptions":[{"description":"Tampering","lang":"en-US","type":"Impact"}]}],"providerMetadata":{"orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft","dateUpdated":"2025-05-20T17:50:16.225Z"},"references":[{"name":"Windows NTLM Tampering Vulnerability","tags":["vendor-advisory"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1040"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","baseSeverity":"MEDIUM","baseScore":5.3,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C"}}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T18:06:31.573Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1040"}]}]},"cveMetadata":{"assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","assignerShortName":"microsoft","cveId":"CVE-2019-1040","datePublished":"2019-06-12T13:49:40.000Z","dateReserved":"2018-11-26T00:00:00.000Z","dateUpdated":"2025-05-20T17:50:16.225Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}