High 7.0Known exploited (CISA KEV)Published May 21, 2020

CVE-2020-1054Win32k Elevation of Privilege Vulnerability

Updated under an hour ago (Oct 26, 2026, 11:50 PM ET)

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It affects Microsoft Windows 10 Version 1507 and 29 other products. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Nov 3, 2021; federal agencies had to remediate by May 3, 2022. Treat that date as your deadline.

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Every CVE for Microsoft Windows 10 Version 1507

Exploited in the last 30 days

An elevation of privilege vulnerability exists in Windows when the Windows kernel-mode driver 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. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system. The update addresses this vulnerability by correcting how the Windows kernel-mode driver handles objects in memory.

CVSS: 7.0 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Weakness (CWE): CWE-787
Known exploited: Added to CISA KEV Nov 3, 2021; federal remediation due May 3, 2022Apply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 53.88% (percentile 99)
Assigned by: microsoft
NVD analysis: Analyzed
Record last updated: Oct 7, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Microsoft Windows 10 Version 1507 microsoft:windows_10_1507	from 10.0.10240.0 before publication	CNA record
Microsoft Windows 10 Version 1607 microsoft:windows_10_1607	from 10.0.14393.0 before publication	CNA record
Microsoft Windows 10 Version 1709 microsoft:windows_10_1709	from 10.0.0 before publication	CNA record
Microsoft Windows 10 Version 1709 for 32-bit Systems microsoft:windows_10_version_1709_for_32_bit_systems (from the name)	from 10.0.0 before publication	CNA record
Microsoft Windows 10 Version 1803 microsoft:windows_10_1803	from 10.0.0 before publication	CNA record
Microsoft Windows 10 Version 1809 microsoft:windows_10_1809	from 10.0.17763.0 before publication	CNA record
Microsoft Windows 10 Version 1903 for 32-bit Systems microsoft:windows_10_version_1903_for_32_bit_systems (from the name)	from 10.0.0 before publication	CNA record
Microsoft Windows 10 Version 1903 for ARM64-based Systems microsoft:windows_10_version_1903_for_arm64_based_systems (from the name)	from 10.0.0 before publication	CNA record
Microsoft Windows 10 Version 1903 for x64-based Systems microsoft:windows_10_version_1903_for_x64_based_systems (from the name)	from 10.0.0 before publication	CNA record
Microsoft Windows 10 Version 1909 microsoft:windows_10_1909	from 10.0.0 before publication	CNA record
1–10 of 41

References

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1054	vendor-advisory, patch
http://packetstormsecurity.com/files/160515/Microsoft-Windows-DrawIconEx-Local-Privilege-Escalation.html	exploit, third-party-advisory, vdb-entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1054	patch, vendor-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1054	us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.