CVE-2021-28310

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-28310
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-2021-28310 Patch Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28310 Patch Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-28310 US Government Resource
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*
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_server_1909:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2004:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_20h2:-:*:*:*:*:*:*:*
History

30 Oct 2025, 19:55

Type Values Removed Values Added
References () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-28310 - () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-28310 - US Government Resource

22 Oct 2025, 00:17

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-28310 -

21 Oct 2025, 20:18

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-28310', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:18

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-28310 -

21 Nov 2024, 05:59

Type Values Removed Values Added
References () https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28310 - Patch, Vendor Advisory () https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28310 - Patch, Vendor Advisory

29 Jul 2024, 18:06

Type Values Removed Values Added
First Time Microsoft windows 10 2004
Microsoft windows 10 1909
Microsoft windows 10 1803
Microsoft windows 10 20h2
Microsoft windows Server 1909
Microsoft windows 10 1809
Microsoft windows Server 20h2
Microsoft windows Server 2004
CPE cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*		 cpe:2.3:o:microsoft:windows_server_1909:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_2004:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_20h2:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_20h2:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2004:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*

29 Dec 2023, 20:16

Type Values Removed Values Added
Summary Win32k Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-27072. Win32k Elevation of Privilege Vulnerability

08 Aug 2023, 14:21

Type Values Removed Values Added
CWE NVD-CWE-noinfo CWE-787

03 May 2022, 16:04

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

Published : 2021-04-13 20:15

Updated : 2025-10-30 19:55

NVD link : CVE-2021-28310

Mitre link : CVE-2021-28310

CVE.ORG link : CVE-2021-28310

JSON object : View

Products Affected

microsoft

  • windows_10_2004
  • windows_10_1809
  • windows_server_1909
  • windows_10_20h2
  • windows_server_2004
  • windows_server_20h2
  • windows_server_2019
  • windows_10_1803
  • windows_10_1909
CWE
CWE-787

Out-of-bounds Write