Vulnerability in Microsoft Windows
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.
EPSS: 0.815 (99.2th percentile) — read the EPSS interpretation.
Affected products
- Microsoft Windows — versions 10 Version 1803 for 32-bit Systems, 10 Version 1803 for x64-based Systems, 10 Version 1803 for ARM64-based Systems
- Microsoft Windows 10 Version 1903 For 32-bit Systems — versions unspecified
- Microsoft Windows 10 Version 1903 For Arm64-based Systems — versions unspecified
- Microsoft Windows 10 Version 1903 For X64-based Systems — versions unspecified
- Microsoft Windows 10 Version 1909 For 32-bit Systems — versions unspecified
- Microsoft Windows 10 Version 1909 For Arm64-based Systems — versions unspecified
- Microsoft Windows 10 Version 1909 For X64-based Systems — versions unspecified
- Microsoft Windows Server — versions version 1803 (Core Installation), 2019, 2019 (Core installation)
- Microsoft Windows Server, Version 1903 (Server Core Installation) — versions unspecified
- Microsoft Windows Server, Version 1909 (Server Core Installation) — versions unspecified
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1054 (x_refsource_MISC)
- packetstormsecurity.com/files/160515/Microsoft-Windows-DrawIconEx-Local-Privile… (x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-1054?
- CVE-2020-1054 is a vulnerability in Microsoft Windows. Published 2020-05-21.
- Is CVE-2020-1054 known to be exploited?
- Yes. CVE-2020-1054 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 60 public proof-of-concept repositories are indexed.