CVE-2021-40450

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-40450
Win32k Elevation of Privilege Vulnerability

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40450 Patch Vendor Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:*
History

02 Jul 2024, 17:03

Type Values Removed Values Added
CPE cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:*		 cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:*:*
First Time Microsoft windows 10 2004
Microsoft windows 11 21h2
Microsoft windows 10 1909
Microsoft windows 10 21h1
Microsoft windows 10 20h2
Microsoft windows 10 1809
Microsoft windows Server 20h2
Microsoft windows Server 2004

08 Aug 2023, 14:21

Type Values Removed Values Added
CWE CWE-269 NVD-CWE-noinfo

01 Aug 2023, 23:15

Type Values Removed Values Added
Summary Win32k Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-40449, CVE-2021-41357. Win32k Elevation of Privilege Vulnerability

23 May 2022, 17:42

Type Values Removed Values Added
CPE cpe:2.3:o:microsoft:windows_server:2004:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*

19 Oct 2021, 22:35

Type Values Removed Values Added
References (MISC) https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40450 - (MISC) https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40450 - Patch, Vendor Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 4.6
v3 : 7.8
CWE CWE-269
CPE cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server:2004:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x86:*

13 Oct 2021, 01:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-10-13 01:15

Updated : 2024-07-02 17:03

NVD link : CVE-2021-40450

Mitre link : CVE-2021-40450

CVE.ORG link : CVE-2021-40450

JSON object : View

Products Affected

microsoft

  • windows_10_2004
  • windows_11_21h2
  • windows_server_2022
  • windows_10_21h1
  • windows_10_1909
  • windows_10_20h2
  • windows_10_1809
  • windows_server_2004
  • windows_server_2019
  • windows_server_20h2
CWE
NVD-CWE-noinfo