CVE-2020-16890

<p>An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</p> <p>To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application to take control of an affected system.</p> <p>The update addresses the vulnerability by correcting how the Windows kernel handles objects in memory.</p>

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16890Patch, Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16890Patch, Vendor Advisory

Published

Oct 16, 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.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2020-16884<p>A remote code execution vulnerability exists in the way t…4.2
• CVE-2020-16885<p>An elevation of privilege vulnerability exists when the W…7.8
• CVE-2020-16886<p>A security feature bypass vulnerability exists in the Pow…5.3
• CVE-2020-16887<p>An elevation of privilege vulnerability exists in the way…7.8
• CVE-2020-16889<p>An information disclosure vulnerability exists when the W…5.5
• CVE-2020-1689On Juniper Networks EX4300-MP Series, EX4600 Series and QFX5…6.5
• CVE-2020-16891<p>A remote code execution vulnerability exists when Windows…8.8
• CVE-2020-16892<p>An elevation of privilege vulnerability exists in the way…7.8
• CVE-2020-16894<p>A denial of service vulnerability exists when Windows Net…7.7
• CVE-2020-16895<p>An elevation of privilege vulnerability exists when Windo…7.8
• CVE-2020-16896<p>An information disclosure vulnerability exists in Remote …7.5
• CVE-2020-16897<p>An information disclosure vulnerability exists when NetBI…5.5