CVE-2022-21996— Win32k Elevation of Privilege Vulnerability
Quick assessment
Affected
Microsoft Windows 11 version 21H2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Microsoft Win32k是美国微软（Microsoft）公司的一个用于Windows多用户管理的系统文件。 Microsoft Win32k 存在权限许可和访问控制问题漏洞。以下产品和版本受到影响：Windows 11 for x64-based Systems,Windows 11 for ARM64-based Systems
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2022-21996
Vulnerability Information
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Vulnerability Title
Win32k Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Win32k Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Win32k 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Win32k是美国微软（Microsoft）公司的一个用于Windows多用户管理的系统文件。 Microsoft Win32k 存在权限许可和访问控制问题漏洞。以下产品和版本受到影响：Windows 11 for x64-based Systems,Windows 11 for ARM64-based Systems
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Windows 11 version 21H2 | 10.0.0 ~ 10.0.22000.493 | - |
|
II. Public POCs for CVE-2022-21996
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2022-21996 (1)
Same Patch Batch · Microsoft · 2022-02-09 · 48 CVEs total
| CVE-2022-23274 | 8.8 HIGH | Microsoft Dynamics GP Remote Code Execution Vulnerability |
| CVE-2022-22005 | 8.8 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2022-21984 | 8.8 HIGH | Windows DNS Server Remote Code Execution Vulnerability |
| CVE-2022-23272 | 8.1 HIGH | Microsoft Dynamics GP Elevation Of Privilege Vulnerability |
| CVE-2022-23256 | 8.1 HIGH | Azure Data Explorer Spoofing Vulnerability |
| CVE-2022-21991 | 8.1 HIGH | Visual Studio Code Remote Development Extension Remote Code Execution Vulnerability |
| CVE-2022-21987 | 8.0 HIGH | Microsoft SharePoint Server Spoofing Vulnerability |
| CVE-2022-21995 | 7.9 HIGH | Windows Hyper-V Remote Code Execution Vulnerability |
| CVE-2022-22004 | 7.8 HIGH | Microsoft Office ClickToRun Remote Code Execution Vulnerability |
| CVE-2022-21988 | 7.8 HIGH | Microsoft Office Visio Remote Code Execution Vulnerability |
| CVE-2022-21974 | 7.8 HIGH | Roaming Security Rights Management Services Remote Code Execution Vulnerability |
| CVE-2022-21999 | 7.8 HIGH | Windows Print Spooler Elevation of Privilege Vulnerability |
| CVE-2022-22000 | 7.8 HIGH | Windows Common Log File System Driver Elevation of Privilege Vulnerability |
| CVE-2022-22001 | 7.8 HIGH | Windows Remote Access Connection Manager Elevation of Privilege Vulnerability |
| CVE-2022-22003 | 7.8 HIGH | Microsoft Office Graphics Remote Code Execution Vulnerability |
| CVE-2022-21926 | 7.8 HIGH | HEVC Video Extensions Remote Code Execution Vulnerability |
| CVE-2022-22709 | 7.8 HIGH | VP9 Video Extensions Remote Code Execution Vulnerability |
| CVE-2022-22715 | 7.8 HIGH | Named Pipe File System Elevation of Privilege Vulnerability |
| CVE-2022-22718 | 7.8 HIGH | Windows Print Spooler Elevation of Privilege Vulnerability |
| CVE-2022-23276 | 7.8 HIGH | SQL Server for Linux Containers Elevation of Privilege Vulnerability |
Showing top 20 of 48 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Windows 11 version 21H2
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V. Comments for CVE-2022-21996
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