CVE-2020-1054

high

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-2020-1143.

References

https://www.tenable.com/blog/microsoft-s-may-2020-patch-tuesday-addresses-111-cves

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1054

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1054

http://packetstormsecurity.com/files/160515/Microsoft-Windows-DrawIconEx-Local-Privilege-Escalation.html

Details

Source: Mitre, NVD

Published: 2020-05-21

Updated: 2026-06-17

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H