CVE-2020-1143

HIGH

Windows - Elevation of Privilege via Kernel-Mode Driver Memory Handling

Title source: llm

Description

An elevation of privilege vulnerability exists in Windows when the Windows kernel-mode driver fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1054.

References (1)

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1143

Scores

CVSS v3 7.8

EPSS 0.0128

EPSS Percentile 67.1%

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 (16)

microsoft/windows_10 (2 CPE variants)

microsoft/windows_10 1607 (2 CPE variants)

microsoft/windows_10 1709

microsoft/windows_10 1803

microsoft/windows_10 1809

microsoft/windows_10 1903

microsoft/windows_10 1909

microsoft/windows_7 (2 CPE variants)

microsoft/windows_8.1 (2 CPE variants)

microsoft/windows_rt_8.1

... and 6 more

Published May 21, 2020

Tracked Since Feb 18, 2026