CVE-2021-41336— Windows Kernel Information Disclosure Vulnerability
Quick assessment
Affected
Microsoft Windows Server 2022
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 Windows Kernel是美国微软（Microsoft）公司的Windows操作系统的内核。 Microsoft Windows Kernel存在信息泄露漏洞。以下产品和版本受到影响：Windows Server 2022,Windows Server 2022 (Server Core installation),Windows 11 for x64-based Systems,Windows 11 for ARM64-based Systems
Possible ATT&CK Techniques 1 AI
T1592 · Gather Victim Host Information
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I. Basic Information for CVE-2021-41336
Vulnerability Information
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Vulnerability Title
Windows Kernel Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Windows Kernel Information Disclosure 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:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows Kernel 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Kernel是美国微软（Microsoft）公司的Windows操作系统的内核。 Microsoft Windows Kernel存在信息泄露漏洞。以下产品和版本受到影响：Windows Server 2022,Windows Server 2022 (Server Core installation),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 Server 2022 | 10.0.0 ~ 10.0.20348.288 |
cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.288:*:*:*:*:*:*:*
|
|
| Microsoft | Windows 11 version 21H2 | 10.0.0 ~ 10.0.22000.258 |
cpe:2.3:o:microsoft:windows_11_21H2:10.0.22000.258:*:*:*:*:*:x64:*
|
|
II. Public POCs for CVE-2021-41336
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-41336 (1)
Same Patch Batch · Microsoft · 2021-10-13 · 71 CVEs total
| CVE-2021-26427 | 9.0 CRITICAL | Microsoft Exchange Server Remote Code Execution Vulnerability |
| CVE-2021-36970 | 8.8 HIGH | Windows Print Spooler Spoofing Vulnerability |
| CVE-2021-41344 | 8.1 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2021-40487 | 8.1 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2021-41348 | 8.0 HIGH | Microsoft Exchange Server Elevation of Privilege Vulnerability |
| CVE-2021-40461 | 8.0 HIGH | Windows Hyper-V Remote Code Execution Vulnerability |
| CVE-2021-38672 | 8.0 HIGH | Windows Hyper-V Remote Code Execution Vulnerability |
| CVE-2021-40464 | 8.0 HIGH | Windows Nearby Sharing Elevation of Privilege Vulnerability |
| CVE-2021-40450 | 7.8 HIGH | Win32k Elevation of Privilege Vulnerability |
| CVE-2021-40462 | 7.8 HIGH | Windows Media Foundation Dolby Digital Atmos Decoders Remote Code Execution Vulnerability |
| CVE-2021-40449 | 7.8 HIGH | Win32k Elevation of Privilege Vulnerability |
| CVE-2021-40473 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2021-40474 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2021-40477 | 7.8 HIGH | Windows Event Tracing Elevation of Privilege Vulnerability |
| CVE-2021-40479 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2021-40480 | 7.8 HIGH | Microsoft Office Visio Remote Code Execution Vulnerability |
| CVE-2021-40485 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2021-40486 | 7.8 HIGH | Microsoft Word Remote Code Execution Vulnerability |
| CVE-2021-40478 | 7.8 HIGH | Storage Spaces Controller Elevation of Privilege Vulnerability |
| CVE-2021-40467 | 7.8 HIGH | Windows Common Log File System Driver Elevation of Privilege Vulnerability |
Showing top 20 of 71 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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V. Comments for CVE-2021-41336
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