Vulnerability Monitor

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CVE-2020-1054

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.

Published

2020-05-21T23:15:12.070

Last Modified

2025-10-29T13:55:47.090

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-787
Type: Secondary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	microsoft	windows_10_1507	-	Yes
Operating System	microsoft	windows_10_1507	-	Yes
Operating System	microsoft	windows_10_1607	-	Yes
Operating System	microsoft	windows_10_1607	-	Yes
Operating System	microsoft	windows_10_1709	-	Yes
Operating System	microsoft	windows_10_1709	-	Yes
Operating System	microsoft	windows_10_1709	-	Yes
Operating System	microsoft	windows_10_1803	-	Yes
Operating System	microsoft	windows_10_1803	-	Yes
Operating System	microsoft	windows_10_1803	-	Yes
Operating System	microsoft	windows_10_1809	-	Yes
Operating System	microsoft	windows_10_1809	-	Yes
Operating System	microsoft	windows_10_1809	-	Yes
Operating System	microsoft	windows_10_1903	-	Yes
Operating System	microsoft	windows_10_1903	-	Yes
Operating System	microsoft	windows_10_1903	-	Yes
Operating System	microsoft	windows_10_1909	-	Yes
Operating System	microsoft	windows_10_1909	-	Yes
Operating System	microsoft	windows_10_1909	-	Yes
Operating System	microsoft	windows_7	-	Yes
Operating System	microsoft	windows_8.1	-	Yes
Operating System	microsoft	windows_rt_8.1	-	Yes
Operating System	microsoft	windows_server_1803	-	Yes
Operating System	microsoft	windows_server_1903	-	Yes
Operating System	microsoft	windows_server_1909	-	Yes
Operating System	microsoft	windows_server_2008	-	Yes
Operating System	microsoft	windows_server_2008	r2	Yes
Operating System	microsoft	windows_server_2008	r2	Yes
Operating System	microsoft	windows_server_2012	-	Yes
Operating System	microsoft	windows_server_2012	r2	Yes
Operating System	microsoft	windows_server_2016	-	Yes
Operating System	microsoft	windows_server_2019	-	Yes

References

http://packetstormsecurity.com/files/160515/Microsoft-Windows-DrawIconEx-Local-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry ([email protected])
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1054 Patch, Vendor Advisory ([email protected])
http://packetstormsecurity.com/files/160515/Microsoft-Windows-DrawIconEx-Local-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1054 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1054 US Government Resource (134c704f-9b21-4f2e-91b3-4a467353bcc0)