7.8

CVE-2020-1054

Warning
Exploit

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.

Data is provided by the National Vulnerability Database (NVD)
Microsoft ≫ Windows 10 1507 Version- HwPlatformx64
Microsoft ≫ Windows 10 1507 Version- HwPlatformx86
Microsoft ≫ Windows 10 1607 Version- HwPlatformx64
Microsoft ≫ Windows 10 1607 Version- HwPlatformx86
Microsoft ≫ Windows 10 1709 Version- HwPlatformarm64
Microsoft ≫ Windows 10 1709 Version- HwPlatformx64
Microsoft ≫ Windows 10 1709 Version- HwPlatformx86
Microsoft ≫ Windows 10 1803 Version- HwPlatformarm64
Microsoft ≫ Windows 10 1803 Version- HwPlatformx64
Microsoft ≫ Windows 10 1803 Version- HwPlatformx86
Microsoft ≫ Windows 10 1809 Version- HwPlatformarm64
Microsoft ≫ Windows 10 1809 Version- HwPlatformx64
Microsoft ≫ Windows 10 1809 Version- HwPlatformx86
Microsoft ≫ Windows 10 1903 Version- HwPlatformarm64
Microsoft ≫ Windows 10 1903 Version- HwPlatformx64
Microsoft ≫ Windows 10 1903 Version- HwPlatformx86
Microsoft ≫ Windows 10 1909 Version- HwPlatformarm64
Microsoft ≫ Windows 10 1909 Version- HwPlatformx64
Microsoft ≫ Windows 10 1909 Version- HwPlatformx86
Microsoft ≫ Windows 7 Version- Updatesp1
Microsoft ≫ Windows 8.1 Version-
Microsoft ≫ Windows Rt 8.1 Version-
Microsoft ≫ Windows Server 1803 Version- HwPlatformx64
Microsoft ≫ Windows Server 1903 Version- HwPlatformx64
Microsoft ≫ Windows Server 1909 Version- HwPlatformx64
Microsoft ≫ Windows Server 2008 Version- Updatesp2
Microsoft ≫ Windows Server 2008 Versionr2 Updatesp1 HwPlatformitanium
Microsoft ≫ Windows Server 2008 Versionr2 Updatesp1 HwPlatformx64

03.11.2021: CISA Known Exploited Vulnerabilities (KEV) Catalog

Microsoft Win32k Privilege Escalation Vulnerability

Vulnerability

Microsoft Win32k contains a privilege escalation vulnerability when the Windows kernel-mode driver fails to properly handle objects in memory. Successful exploitation allows an attacker to execute code in kernel mode.

Description

Apply updates per vendor instructions.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 75.46% 0.989
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.2 3.9 10
AV:L/AC:L/Au:N/C:C/I:C/A:C
134c704f-9b21-4f2e-91b3-4a467353bcc0 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.