CVE-2025-53805— HTTP.sys Denial of Service Vulnerability
Quick assessment
Affected
Microsoft Windows 11 version 22H2
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 Internet Information Services（IIS）是美国微软（Microsoft）公司的一款适用于Windows Server平台的Web服务器。 Microsoft Windows Internet Information Services（IIS）存在缓冲区错误漏洞。攻击者利用该漏洞导致系统拒绝服务。以下产品和版本受到影响：Windows Server 2022,Windows Server 2022 (Server Core installati
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-53805
Vulnerability Information
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Vulnerability Title
HTTP.sys Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Out-of-bounds read in Windows Internet Information Services allows an unauthorized attacker to deny service over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows Internet Information Services 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Internet Information Services（IIS）是美国微软（Microsoft）公司的一款适用于Windows Server平台的Web服务器。 Microsoft Windows Internet Information Services（IIS）存在缓冲区错误漏洞。攻击者利用该漏洞导致系统拒绝服务。以下产品和版本受到影响：Windows Server 2022,Windows Server 2022 (Server Core installati
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 22H2 | 10.0.22621.0 ~ 10.0.22621.5909 | - |
|
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 ~ 10.0.22631.5909 | - |
|
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 ~ 10.0.22631.5909 | - |
|
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 ~ 10.0.26100.6584 | - |
|
| Microsoft | Windows Server 2022 | 10.0.20348.0 ~ 10.0.20348.4171 | - |
|
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 ~ 10.0.25398.1849 | - |
|
| Microsoft | Windows Server 2025 | 10.0.26100.0 ~ 10.0.26100.6584 | - |
|
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 ~ 10.0.26100.6584 | - |
|
II. Public POCs for CVE-2025-53805
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · Microsoft · 2025-09-09 · 80 CVEs total
| CVE-2025-55232 | 9.8 CRITICAL | Microsoft High Performance Compute (HPC) Pack Remote Code Execution Vulnerability |
| CVE-2025-55234 | 8.8 HIGH | Windows SMB Elevation of Privilege Vulnerability |
| CVE-2025-54897 | 8.8 HIGH | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2025-54110 | 8.8 HIGH | Windows Kernel Elevation of Privilege Vulnerability |
| CVE-2025-54106 | 8.8 HIGH | Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability |
| CVE-2025-54113 | 8.8 HIGH | Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability |
| CVE-2025-54918 | 8.8 HIGH | Windows NTLM Elevation of Privilege Vulnerability |
| CVE-2025-55227 | 8.8 HIGH | Microsoft SQL Server Elevation of Privilege Vulnerability |
| CVE-2025-54910 | 8.4 HIGH | Microsoft Office Remote Code Execution Vulnerability |
| CVE-2025-55228 | 7.8 HIGH | Windows Graphics Component Remote Code Execution Vulnerability |
| CVE-2025-54913 | 7.8 HIGH | Windows UI XAML Maps MapControlSettings Elevation of Privilege Vulnerability |
| CVE-2025-49692 | 7.8 HIGH | Azure Connected Machine Agent Elevation of Privilege Vulnerability |
| CVE-2025-55245 | 7.8 HIGH | Xbox Gaming Services Elevation of Privilege Vulnerability |
| CVE-2025-55316 | 7.8 HIGH | Azure Connected Machine Agent Elevation of Privilege Vulnerability |
| CVE-2025-55317 | 7.8 HIGH | Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability |
| CVE-2025-54916 | 7.8 HIGH | Windows NTFS Remote Code Execution Vulnerability |
| CVE-2025-54912 | 7.8 HIGH | Windows BitLocker Elevation of Privilege Vulnerability |
| CVE-2025-54900 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2025-54098 | 7.8 HIGH | Windows Hyper-V Elevation of Privilege Vulnerability |
| CVE-2025-55224 | 7.8 HIGH | Windows Hyper-V Remote Code Execution Vulnerability |
Showing top 20 of 80 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Windows 11 version 22H2
-
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Same vendor: Microsoft
-
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V. Comments for CVE-2025-53805
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