CVE-2020-1377

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. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel API properly handles objects in memory.

• http://packetstormsecurity.com/files/158938/Microsoft-Windows-CmpDoReDoCreateKey-Arbitrary-Registry-Key-Creation-Privilege-Escalation.htmlThird Party Advisory, VDB Entry
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1377Patch, Vendor Advisory
• http://packetstormsecurity.com/files/158938/Microsoft-Windows-CmpDoReDoCreateKey-Arbitrary-Registry-Key-Creation-Privilege-Escalation.htmlThird Party Advisory, VDB Entry
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1377Patch, Vendor Advisory

Published

Aug 17, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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