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CVE-2022-21882— Win32k Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Windows 10 Version 1809
Exploitation
Confirmed exploitation in the wild; remediate immediately
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 存在安全漏洞。以下产品和版本受到影响：Windows 10 Version 21H1 for 32-bit Systems,Windows Server 2022,Windows Server 2022 (Server Core installation),Windows 10 Version 1909 for ARM64-based Systems,Win

CVSS 7.0 · High KEV · Ransomware EPSS 55.71% · P99

Public Exploits 1

Metasploit · 1 cve_2022_21882_win32k.rb#CVE-2022-21882 [exploit]

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 11

VendorProduct Version RangeStatus
Microsoft Windows 10 Version 1809 10.0.17763.0< 10.0.17763.2452 affected
10.0.0< 10.0.17763.2452 affected
Microsoft Windows 10 Version 1909 10.0.0< 10.0.18363.2037 affected
Microsoft Windows 10 Version 20H2 10.0.0< 10.0.19042.1466 affected
Microsoft Windows 10 Version 21H1 10.0.0< 10.0.19043.1466 affected
Microsoft Windows 10 Version 21H2 10.0.19043.0< 10.0.19044.1466 affected
Microsoft Windows 11 version 21H2 10.0.0< 10.0.22000.434 affected
Microsoft Windows Server 2019 10.0.17763.0< 10.0.17763.2452 affected
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0< 10.0.17763.2452 affected
Microsoft Windows Server 2022 10.0.20348.0< 10.0.20348.469 affected
Microsoft Windows Server version 20H2 10.0.0< 10.0.19042.1466 affected
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I. Basic Information for CVE-2022-21882

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

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:H/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 缓冲区错误漏洞
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 存在安全漏洞。以下产品和版本受到影响：Windows 10 Version 21H1 for 32-bit Systems,Windows Server 2022,Windows Server 2022 (Server Core installation),Windows 10 Version 1909 for ARM64-based Systems,Win
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Windows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.2452 -
Microsoft Windows 10 Version 1809 10.0.0 ~ 10.0.17763.2452 -
Microsoft Windows Server 2019 10.0.17763.0 ~ 10.0.17763.2452 -
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.2452 -
Microsoft Windows 10 Version 1909 10.0.0 ~ 10.0.18363.2037 -
Microsoft Windows 10 Version 21H1 10.0.0 ~ 10.0.19043.1466 -
Microsoft Windows Server 2022 10.0.20348.0 ~ 10.0.20348.469 -
Microsoft Windows 10 Version 20H2 10.0.0 ~ 10.0.19042.1466 -
Microsoft Windows Server version 20H2 10.0.0 ~ 10.0.19042.1466 -
Microsoft Windows 11 version 21H2 10.0.0 ~ 10.0.22000.434 -
Microsoft Windows 10 Version 21H2 10.0.19043.0 ~ 10.0.19044.1466 -

II. Public POCs for CVE-2022-21882

# POC Description Source Link Shenlong Link
1 win32k LPE https://github.com/KaLendsi/CVE-2022-21882 POC Details
2 CVE-2022-21882 https://github.com/David-Honisch/CVE-2022-21882 POC Details
3 None https://github.com/L4ys/CVE-2022-21882 POC Details
4 lpe poc for cve-2022-21882 https://github.com/sailay1996/cve-2022-21882-poc POC Details
5 None https://github.com/r1l4-i3pur1l4/CVE-2022-21882 POC Details
6 None https://github.com/dishfwk/CVE-2022-21882 POC Details
7 None https://github.com/Threekiii/Awesome-POC/blob/master/%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F%E6%BC%8F%E6%B4%9E/Windows%20Win32k%20%E5%86%85%E6%A0%B8%E6%8F%90%E6%9D%83%E6%BC%8F%E6%B4%9E%20CVE-2022-21882.md POC Details
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III. Intelligence Information for CVE-2022-21882

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Vendor Advisories for CVE-2022-21882 (1)

Exploits & Public PoCs for CVE-2022-21882 (1)

Same Patch Batch · Microsoft · 2022-01-11 · 100 CVEs total

CVE-2022-21907 9.8 CRITICAL HTTP Protocol Stack Remote Code Execution Vulnerability
CVE-2022-21849 9.8 CRITICAL Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerabilit
CVE-2022-21901 9.0 CRITICAL Windows Hyper-V Elevation of Privilege Vulnerability
CVE-2022-21855 9.0 CRITICAL Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2022-21846 9.0 CRITICAL Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2022-21969 9.0 CRITICAL Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2022-21920 8.8 HIGH Windows Kerberos Elevation of Privilege Vulnerability
CVE-2022-21840 8.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2022-21922 8.8 HIGH Remote Procedure Call Runtime Remote Code Execution Vulnerability
CVE-2022-21850 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2022-21851 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2022-21857 8.8 HIGH Active Directory Domain Services Elevation of Privilege Vulnerability
CVE-2022-21837 8.3 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2022-21893 8.0 HIGH Remote Desktop Protocol Remote Code Execution Vulnerability
CVE-2022-21897 7.8 HIGH Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2022-21914 7.8 HIGH Windows Remote Access Connection Manager Elevation of Privilege Vulnerability
CVE-2022-21908 7.8 HIGH Windows Installer Elevation of Privilege Vulnerability
CVE-2022-21910 7.8 HIGH Microsoft Cluster Port Driver Elevation of Privilege Vulnerability
CVE-2022-21912 7.8 HIGH DirectX Graphics Kernel Remote Code Execution Vulnerability
CVE-2022-21917 7.8 HIGH HEVC Video Extensions Remote Code Execution Vulnerability

Showing top 20 of 100 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1809
Same vendor: Microsoft

V. Comments for CVE-2022-21882

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