Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2025-21295— SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution 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存在资源管理错误漏洞。攻击者利用该漏洞可以远程执行代码。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,Win

CVSS 8.1 · High EPSS 1.61% · P74

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 23

VendorProduct Version RangeStatus
Microsoft Windows 10 Version 1507 10.0.10240.0< 10.0.10240.20890 affected
Microsoft Windows 10 Version 1607 10.0.14393.0< 10.0.14393.7699 affected
Microsoft Windows 10 Version 1809 10.0.17763.0< 10.0.17763.6775 affected
Microsoft Windows 10 Version 21H2 10.0.19044.0< 10.0.19044.5371 affected
Microsoft Windows 10 Version 22H2 10.0.19045.0< 10.0.19045.5371 affected
Microsoft Windows 11 version 22H2 10.0.22621.0< 10.0.22621.4751 affected
Microsoft Windows 11 version 22H3 10.0.22631.0< 10.0.22631.4751 affected
Microsoft Windows 11 Version 23H2 10.0.22631.0< 10.0.22631.4751 affected
Microsoft Windows 11 Version 24H2 10.0.26100.0< 10.0.26100.2894 affected
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0< 6.1.7601.27520 affected
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0< 6.1.7601.27520 affected
Microsoft Windows Server 2012 6.2.9200.0< 6.2.9200.25273 affected
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0< 6.2.9200.25273 affected
Microsoft Windows Server 2012 R2 6.3.9600.0< 6.3.9600.22371 affected
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0< 6.3.9600.22371 affected
Microsoft Windows Server 2016 10.0.14393.0< 10.0.14393.7699 affected
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0< 10.0.14393.7699 affected
Microsoft Windows Server 2019 10.0.17763.0< 10.0.17763.6775 affected
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0< 10.0.17763.6775 affected
Microsoft Windows Server 2022 10.0.20348.0< 10.0.20348.3091 affected
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0< 10.0.25398.1369 affected
Microsoft Windows Server 2025 10.0.26100.0< 10.0.26100.2894 affected
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0< 10.0.26100.2894 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-21295

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft SPNEGO Extended Negotiation 资源管理错误漏洞
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存在资源管理错误漏洞。攻击者利用该漏洞可以远程执行代码。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,Win
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 ~ 10.0.10240.20890 -
Microsoft Windows 10 Version 1607 10.0.14393.0 ~ 10.0.14393.7699 -
Microsoft Windows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.6775 -
Microsoft Windows 10 Version 21H2 10.0.19044.0 ~ 10.0.19044.5371 -
Microsoft Windows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.5371 -
Microsoft Windows 11 version 22H2 10.0.22621.0 ~ 10.0.22621.4751 -
Microsoft Windows 11 version 22H3 10.0.22631.0 ~ 10.0.22631.4751 -
Microsoft Windows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.4751 -
Microsoft Windows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.2894 -
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 ~ 6.1.7601.27520 -
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 ~ 6.1.7601.27520 -
Microsoft Windows Server 2012 6.2.9200.0 ~ 6.2.9200.25273 -
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.25273 -
Microsoft Windows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.22371 -
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.22371 -
Microsoft Windows Server 2016 10.0.14393.0 ~ 10.0.14393.7699 -
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.7699 -
Microsoft Windows Server 2019 10.0.17763.0 ~ 10.0.17763.6775 -
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.6775 -
Microsoft Windows Server 2022 10.0.20348.0 ~ 10.0.20348.3091 -
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ~ 10.0.25398.1369 -
Microsoft Windows Server 2025 10.0.26100.0 ~ 10.0.26100.2894 -
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.2894 -

II. Public POCs for CVE-2025-21295

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-21295

请登录查看更多情报信息。

Vendor Advisories for CVE-2025-21295 (1)

Same Patch Batch · Microsoft · 2025-01-14 · 157 CVEs total

CVE-2025-21298 9.8 CRITICAL Windows OLE Remote Code Execution Vulnerability
CVE-2025-21311 9.8 CRITICAL Windows NTLM V1 Elevation of Privilege Vulnerability
CVE-2025-21307 9.8 CRITICAL Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
CVE-2025-21292 8.8 HIGH Windows Search Service Elevation of Privilege Vulnerability
CVE-2025-21266 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21282 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21293 8.8 HIGH Active Directory Domain Services Elevation of Privilege Vulnerability
CVE-2025-21291 8.8 HIGH Windows Direct Show Remote Code Execution Vulnerability
CVE-2025-21302 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21303 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21306 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21176 8.8 HIGH .NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability
CVE-2025-21178 8.8 HIGH Visual Studio Remote Code Execution Vulnerability
CVE-2025-21273 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21223 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21240 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21238 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21417 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21245 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21409 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability

Showing top 20 of 157 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1507
Same vendor: Microsoft
Same weakness: CWE-416

V. Comments for CVE-2025-21295

No comments yet

Leave a comment