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URL: https://nvd.nist.gov/vuln/detail/CVE-2021-1732

⇱ NVD - CVE-2021-1732

  1. Vulnerabilities

CVE-2021-1732 Detail

Description

Windows Win32k Elevation of Privilege Vulnerability


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://packetstormsecurity.com/files/161880/Win32k-ConsoleControl-Offset-Confusion.html CVE, Microsoft Corporation Exploit  Third Party Advisory  VDB Entry 
http://packetstormsecurity.com/files/166169/Win32k-ConsoleControl-Offset-Confusion-Privilege-Escalation.html CVE, Microsoft Corporation Exploit  Third Party Advisory  VDB Entry 
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1732 CVE, Microsoft Corporation Patch  Vendor Advisory 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1732 CISA-ADP US Government Resource 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name Date Added Due Date Required Action
Microsoft Win32k Privilege Escalation Vulnerability 11/03/2021 11/17/2021 Apply updates per vendor instructions.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-787 Out-of-bounds Write 👁 cwe source acceptance level
NIST   CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

18 change records found show changes

CVE Modified by CISA-ADP 6/16/2026 11:32:27 PM

Action Type Old Value New Value
Added SSVC 
{"timestamp":"2025-02-04T18:19:15.742908Z","id":"CVE-2021-1732","options":[{"exploitation":"active"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}

CVE Modified by Microsoft Corporation 6/16/2026 11:32:27 PM

Action Type Old Value New Value
Added Affected Record truncated, showing 2048 of 3243 characters.
View Entire Change Record
[{"vendor":"Microsoft","product":"Windows 10 Version 1803","cpes":["cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:arm64:*"],"platforms":["32-bit Systems","x64-based Systems","ARM64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 10 Version 1809","cpes":["cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:arm64:*"],"platforms":["32-bit Systems","x64-based Systems","ARM64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2019","cpes":["cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2019 (Server Core installation)","cpes":["cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 10 Version 1909","cpes":["cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*"],"platforms":["32-bit Systems","x64-based Systems","ARM64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server, version 1909 (Server Core installation)","cpes":["cpe:2.3:o:microsoft:windows_server_1909:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"cust

Modified Analysis by NIST 10/30/2025 3:56:14 PM

Action Type Old Value New Value
Added Reference Type 
CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1732 Types: US Government Resource

CVE Modified by CISA-ADP 10/21/2025 8:17:16 PM

Action Type Old Value New Value
Added Reference 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1732

CVE Modified by CISA-ADP 10/21/2025 4:18:12 PM

Action Type Old Value New Value
Removed Reference 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1732

CVE Modified by CISA-ADP 10/21/2025 3:18:44 PM

Action Type Old Value New Value
Added Reference 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1732

Modified Analysis by NIST 2/11/2025 11:58:39 AM

Action Type Old Value New Value

CVE Modified by CISA-ADP 2/04/2025 2:15:23 PM

Action Type Old Value New Value
Added CWE 
CWE-787

CVE Modified by CVE 11/21/2024 12:44:59 AM

Action Type Old Value New Value
Added Reference 
http://packetstormsecurity.com/files/161880/Win32k-ConsoleControl-Offset-Confusion.html
Added Reference 
http://packetstormsecurity.com/files/166169/Win32k-ConsoleControl-Offset-Confusion-Privilege-Escalation.html
Added Reference 
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1732

Modified Analysis by NIST 7/25/2024 1:53:12 PM

Action Type Old Value New Value
Changed CPE Configuration 
OR
 *cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*
 *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_server_2016:20h2:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*


 
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:-:*:*:*:*:*:*:*

CVE Modified by Microsoft Corporation 5/14/2024 3:59:33 AM

Action Type Old Value New Value

CVE Modified by Microsoft Corporation 12/29/2023 6:15:26 PM

Action Type Old Value New Value
Changed Description 
Windows Win32k Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-1698.


 
Windows Win32k Elevation of Privilege Vulnerability
Added CVSS V3.1 
Microsoft Corporation AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE Remap by NIST 8/08/2023 10:21:49 AM

Action Type Old Value New Value
Changed CWE 
CWE-269



CWE-787


Modified Analysis by NIST 4/12/2022 2:41:40 PM

Action Type Old Value New Value
Changed Reference Type 
http://packetstormsecurity.com/files/166169/Win32k-ConsoleControl-Offset-Confusion-Privilege-Escalation.html No Types Assigned


 
http://packetstormsecurity.com/files/166169/Win32k-ConsoleControl-Offset-Confusion-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry

CVE Modified by Microsoft Corporation 2/28/2022 2:15:08 PM

Action Type Old Value New Value
Added Reference 
http://packetstormsecurity.com/files/166169/Win32k-ConsoleControl-Offset-Confusion-Privilege-Escalation.html [No Types Assigned]

Modified Analysis by NIST 3/25/2021 10:46:11 PM

Action Type Old Value New Value
Changed Reference Type 
http://packetstormsecurity.com/files/161880/Win32k-ConsoleControl-Offset-Confusion.html No Types Assigned


 
http://packetstormsecurity.com/files/161880/Win32k-ConsoleControl-Offset-Confusion.html Exploit, Third Party Advisory, VDB Entry

CVE Modified by Microsoft Corporation 3/19/2021 3:15:13 PM

Action Type Old Value New Value
Added Reference 
http://packetstormsecurity.com/files/161880/Win32k-ConsoleControl-Offset-Confusion.html [No Types Assigned]

Initial Analysis by NIST 3/03/2021 1:12:37 PM

Action Type Old Value New Value
Added CVSS V3.1 
NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added CVSS V2 
NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P)
Added CWE 
NIST CWE-269
Added CPE Configuration 
OR
 *cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*
 *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_server_2016:20h2:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
 *cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
Changed Reference Type 
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1732 No Types Assigned


 
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1732 Patch, Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2021-1732
NVD Published Date:
02/25/2021
NVD Last Modified:
06/16/2026
Source:
Microsoft Corporation