CVE-2026-55144— Windows Cryptography API: Next Generation (CNG) Tampering Vulnerability
Possible ATT&CK Techniques 1AI
T1562Affected Version Matrix 6
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0< 10.0.26100.8875 | affected |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0< 10.0.26200.8875 | affected |
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0< 10.0.28000.2525 | affected |
| Microsoft | Windows Server 2022 | 10.0.20348.0< 10.0.20348.5386 | affected |
| Microsoft | Windows Server 2025 | 10.0.26100.0< 10.0.26100.33158 | affected |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0< 10.0.26100.33158 | affected |
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I. Basic Information for CVE-2026-55144
Vulnerability Information
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Vulnerability Title
Windows Cryptography API: Next Generation (CNG) Tampering Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Missing cryptographic step in Windows CryptoAPI allows an authorized attacker to perform tampering locally.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
缺少必要的密码学步骤
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Windows CryptoAPI 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows CryptoAPI是美国Microsoft公司的一套Windows加密应用程序接口，提供加密、解密、数字签名、证书管理、密钥管理及随机数生成等密码学服务。 Microsoft Windows CryptoAPI存在加密问题漏洞，该漏洞源于缺少加密步骤，可能导致授权攻击者本地执行篡改操作。
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 24H2 | 10.0.26100.0 ~ 10.0.26100.8875 | - | |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 ~ 10.0.26200.8875 | - | |
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0 ~ 10.0.28000.2525 | - | |
| Microsoft | Windows Server 2022 | 10.0.20348.0 ~ 10.0.20348.5386 | - | |
| Microsoft | Windows Server 2025 | 10.0.26100.0 ~ 10.0.26100.33158 | - | |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 ~ 10.0.26100.33158 | - |
II. Public POCs for CVE-2026-55144
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Vendor Advisories for CVE-2026-55144 (1)
Same Patch Batch · Microsoft · 2026-07-14 · 570 CVEs total
| CVE-2026-57092 | 9.9 CRITICAL | Microsoft Windows VMSwitch Elevation of Privilege Vulnerability |
| CVE-2026-56159 | 9.8 CRITICAL | DHCP Server Service Remote Code Execution Vulnerability |
| CVE-2026-50518 | 9.8 CRITICAL | Windows DHCP Server Remote Code Execution Vulnerability |
| CVE-2026-55944 | 9.8 CRITICAL | Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Co |
| CVE-2026-56190 | 9.8 CRITICAL | Remote Desktop Protocol Remote Code Execution Vulnerability |
| CVE-2026-42990 | 9.8 CRITICAL | SQL Server ODBC driver Elevation of Privilege Vulnerability |
| CVE-2026-54990 | 9.8 CRITICAL | Remote Desktop Client Remote Code Execution Vulnerability |
| CVE-2026-56188 | 9.8 CRITICAL | Windows Server Network driver Remote Code Execution Vulnerability |
| CVE-2026-50522 | 9.8 CRITICAL | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2026-58644 | 9.8 CRITICAL | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2026-49172 | 9.8 CRITICAL | Windows FTP Service Remote Code Execution Vulnerability |
| CVE-2026-55010 | 9.8 CRITICAL | Minecraft Bedrock Dedicated Server Remote Code Execution Vulnerability |
| CVE-2026-50447 | 9.8 CRITICAL | Windows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability |
| CVE-2026-48561 | 9.6 CRITICAL | Microsoft Copilot Remote Code Execution Vulnerability |
| CVE-2026-50380 | 9.6 CRITICAL | Windows GDI+ Remote Code Execution Vulnerability |
| CVE-2026-55008 | 9.6 CRITICAL | Microsoft Exchange Server Spoofing Vulnerability |
| CVE-2026-49798 | 9.3 CRITICAL | Windows Kernel Elevation of Privilege Vulnerability |
| CVE-2026-55040 | 9.1 CRITICAL | Microsoft SharePoint Server Security Feature Bypass Vulnerability |
| CVE-2026-47632 | 8.8 HIGH | Azure Monitor Agent Metrics Extension Elevation of Privilege Vulnerability |
| CVE-2026-48564 | 8.8 HIGH | DHCP Server Service Remote Code Execution Vulnerability |
Showing top 20 of 570 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Windows 11 Version 24H2
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Windows Management Services Elevation of Privilege Vulnerabi - CVE-2026-58537
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Windows Remote Desktop Protocol (RDP) Information Disclosure - CVE-2026-57980
Microsoft Edge (Chromium-based) Tampering Vulnerability - CVE-2026-62826
Microsoft SharePoint Server Spoofing Vulnerability - CVE-2026-58643
Windows Admin Center Spoofing Vulnerability - CVE-2026-58598
Windows Backup Service Elevation of Privilege Vulnerability
Same weakness: CWE-325
- CVE-2026-58638
Windows Boot Loader Security Feature Bypass Vulnerability - CVE-2026-6458
AES-256-GCM Authentication Tag Does Not Cover First Cipherte - CVE-2026-49440
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Moxa UC-1200A Series 加密问题漏洞 - CVE-2026-45446
Incorrect Tag Processing for Empty Messages in AES-GCM-SIV a
V. Comments for CVE-2026-55144
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