CVE-2020-16890

HIGH

Windows 10 and Windows Server 2016/2019 - Authenticated Privilege Escalation via Kernel Memory Handling

Title source: llm
STIX 2.1

Description

<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>

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0100
EPSS Percentile 59.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (12)
microsoft/windows_10
microsoft/windows_10 1607
microsoft/windows_10 1709
microsoft/windows_10 1803
microsoft/windows_10 1809
microsoft/windows_10 1903
microsoft/windows_10 1909
microsoft/windows_10 2004
microsoft/windows_server_2016 1903
microsoft/windows_server_2016 1909
... and 2 more
Published Oct 16, 2020
Tracked Since Feb 18, 2026