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CVE-2025-26636— Windows Kernel Information Disclosure Vulnerability

Quick assessment

Affected
Microsoft Windows 11 Version 24H2
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存在安全漏洞。攻击者利用该漏洞可以获取敏感信息。以下产品和版本受到影响：Windows Server 2025 (Server Core installation),Windows 11 Version 24H2 for ARM64-based Systems,Windows Server 2025。

CVSS 5.5 · Medium EPSS 0.49% · P40
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I. Basic Information for CVE-2025-26636

Vulnerability Information
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Vulnerability Title
Windows Kernel Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Processor optimization removal or modification of security-critical code in Windows Kernel allows an authorized attacker to disclose information locally.
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
CWE-1037
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows Kernel 安全漏洞
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存在安全漏洞。攻击者利用该漏洞可以获取敏感信息。以下产品和版本受到影响：Windows Server 2025 (Server Core installation),Windows 11 Version 24H2 for ARM64-based Systems,Windows Server 2025。
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 ~ 10.0.26100.4652 -
Microsoft Windows Server 2025 10.0.26100.0 ~ 10.0.26100.4652 -
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.4652 -

II. Public POCs for CVE-2025-26636

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III. Intelligence Information for CVE-2025-26636

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Same Patch Batch · Microsoft · 2025-07-08 · 129 CVEs total

CVE-2025-47981 9.8 CRITICAL SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerabilit
CVE-2025-48817 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2025-49723 8.8 HIGH Windows StateRepository API Server file Tampering Vulnerability
CVE-2025-49701 8.8 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2025-49688 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49687 8.8 HIGH Windows Input Method Editor (IME) Elevation of Privilege Vulnerability
CVE-2025-49704 8.8 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2025-49673 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49676 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49674 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49672 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49669 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-48824 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49657 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49739 8.8 HIGH Visual Studio Elevation of Privilege Vulnerability
CVE-2025-49740 8.8 HIGH Windows SmartScreen Security Feature Bypass Vulnerability
CVE-2025-47998 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49663 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-47986 8.8 HIGH Universal Print Management Service Elevation of Privilege Vulnerability
CVE-2025-49724 8.8 HIGH Windows Connected Devices Platform Service Remote Code Execution Vulnerability

Showing top 20 of 129 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows 11 Version 24H2
Same vendor: Microsoft
Same weakness: CWE-1037

V. Comments for CVE-2025-26636

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