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CVE-2025-54895— SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Windows 10 Version 1507
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 SPNEGO Extended Negotiation是美国微软（Microsoft）公司的SPNEGO扩展。 Microsoft SPNEGO Extended Negotiation存在安全漏洞。攻击者利用该漏洞可以提升权限。以下产品和版本受到影响：Windows 10 Version 1809 for 32-bit Systems,Windows 10 Version 1809 for x64-based Systems,Windows Server 2019,Windows S

CVSS 7.8 · High EPSS 0.28% · P20

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2025-54895

Vulnerability Information
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Vulnerability Title
SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Integer overflow or wraparound in Windows SPNEGO Extended Negotiation allows an authorized attacker to elevate privileges locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft SPNEGO Extended Negotiation 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft SPNEGO Extended Negotiation是美国微软（Microsoft）公司的SPNEGO扩展。 Microsoft SPNEGO Extended Negotiation存在安全漏洞。攻击者利用该漏洞可以提升权限。以下产品和版本受到影响：Windows 10 Version 1809 for 32-bit Systems,Windows 10 Version 1809 for x64-based Systems,Windows Server 2019,Windows S
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 10 Version 1507 10.0.10240.0 ~ 10.0.10240.21128 -
Microsoft Windows 10 Version 1607 10.0.14393.0 ~ 10.0.14393.8422 -
Microsoft Windows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.7792 -
Microsoft Windows 10 Version 21H2 10.0.19044.0 ~ 10.0.19044.6332 -
Microsoft Windows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.6332 -
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 2008 R2 Service Pack 1 6.1.7601.0 ~ 6.1.7601.27929 -
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 ~ 6.1.7601.27929 -
Microsoft Windows Server 2012 6.2.9200.0 ~ 6.2.9200.25675 -
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.25675 -
Microsoft Windows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.22774 -
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.22774 -
Microsoft Windows Server 2016 10.0.14393.0 ~ 10.0.14393.8422 -
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.8422 -
Microsoft Windows Server 2019 10.0.17763.0 ~ 10.0.17763.7792 -
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.7792 -
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-2025-54895

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III. Intelligence Information for CVE-2025-54895

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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-2025-54918 8.8 HIGH Windows NTLM Elevation of Privilege Vulnerability
CVE-2025-55227 8.8 HIGH Microsoft SQL Server Elevation of Privilege Vulnerability
CVE-2025-54113 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-54910 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2025-54913 7.8 HIGH Windows UI XAML Maps MapControlSettings Elevation of Privilege Vulnerability
CVE-2025-55228 7.8 HIGH Windows Graphics Component Remote Code Execution Vulnerability
CVE-2025-54916 7.8 HIGH Windows NTFS Remote Code Execution Vulnerability
CVE-2025-54098 7.8 HIGH Windows Hyper-V Elevation of Privilege Vulnerability
CVE-2025-55245 7.8 HIGH Xbox Gaming Services Elevation of Privilege Vulnerability
CVE-2025-54908 7.8 HIGH Microsoft PowerPoint Remote Code Execution Vulnerability
CVE-2025-53800 7.8 HIGH Windows Graphics Component Elevation of Privilege Vulnerability
CVE-2025-54091 7.8 HIGH Windows Hyper-V Elevation of Privilege Vulnerability
CVE-2025-54092 7.8 HIGH Windows Hyper-V Elevation of Privilege Vulnerability
CVE-2025-53801 7.8 HIGH Microsoft DWM Core Library Elevation of Privilege Vulnerability
CVE-2025-49692 7.8 HIGH Azure Connected Machine Agent Elevation of Privilege Vulnerability

Showing top 20 of 80 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1507
Same vendor: Microsoft
Same weakness: CWE-190

V. Comments for CVE-2025-54895

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