{"cve":"CVE-2020-1378","nvd":{"published":"2020-08-17T19:15:14.413","modified":"2026-06-17T03:01:15.320","status":"Modified","description":"An elevation of privilege vulnerability exists when the Windows Kernel API improperly handles registry objects in memory. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system.\nA locally authenticated attacker could exploit this vulnerability by running a specially crafted application.\nThe security update addresses the vulnerability by helping to ensure that the Windows Kernel API properly handles objects in memory.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.5},"cwes":["CWE-787"],"references":["http://packetstormsecurity.com/files/158939/Microsoft-Windows-CmpDoReadTxRBigLogRecord-Memory-Corruption-Privilege-Escalation.html","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1378","http://packetstormsecurity.com/files/158939/Microsoft-Windows-CmpDoReadTxRBigLogRecord-Memory-Corruption-Privilege-Escalation.html","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1378"],"products":["microsoft:windows_10","microsoft:windows_7","microsoft:windows_8.1","microsoft:windows_rt_8.1","microsoft:windows_server_2008","microsoft:windows_server_2012","microsoft:windows_server_2016","microsoft:windows_server_2019"],"source":"nvd","synced_at":"2026-10-19T21:09:20.498348299+00:00"},"epss":{"cve":"CVE-2020-1378","score":0.03863,"percentile":0.90179,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}