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CVE-2025-26647— Windows Kerberos Elevation of Privilege Vulnerability

CVSS 8.8 · High EPSS 2.59% · P86
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I. Basic Information for CVE-2025-26647

Vulnerability Information
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Vulnerability Title
Windows Kerberos Elevation of Privilege Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper input validation in Windows Kerberos allows an authorized attacker to elevate privileges over a network.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Windows Kerberos 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Kerberos是美国微软（Microsoft）公司的一个用于在网络集群中进行身份验证的软件。Kerberos 同时作为一种网络认证协议，其设计目标是通过密钥系统为客户机/服务器应用程序提供强大的认证服务。 Microsoft Windows Kerberos存在输入验证错误漏洞。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 Server 2008 for x64-based Systems Service Pack 2,Windows Serv
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

VendorProductAffected VersionsCPESubscribe
MicrosoftWindows Server 2008 R2 Service Pack 1 6.1.7601.0 ~ 6.1.7601.27670 -
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 ~ 6.1.7601.27670 -
MicrosoftWindows Server 2008 Service Pack 2 6.0.6003.0 ~ 6.0.6003.23220 -
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 ~ 6.0.6003.23220 -
MicrosoftWindows Server 2012 6.2.9200.0 ~ 6.2.9200.25423 -
MicrosoftWindows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.25423 -
MicrosoftWindows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.22523 -
MicrosoftWindows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.22523 -
MicrosoftWindows Server 2016 10.0.14393.0 ~ 10.0.14393.7969 -
MicrosoftWindows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.7969 -
MicrosoftWindows Server 2019 10.0.17763.0 ~ 10.0.17763.7136 -
MicrosoftWindows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.7136 -
MicrosoftWindows Server 2022 10.0.20348.0 ~ 10.0.20348.3453 -
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ~ 10.0.25398.1551 -
MicrosoftWindows Server 2025 10.0.26100.0 ~ 10.0.26100.3775 -
MicrosoftWindows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.3775 -

II. Public POCs for CVE-2025-26647

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III. Intelligence Information for CVE-2025-26647

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Same Patch Batch · Microsoft · 2025-04-08 · 119 CVEs total

CVE-2025-212058.8 HIGHWindows Telephony Service Remote Code Execution Vulnerability
CVE-2025-297948.8 HIGHMicrosoft SharePoint Remote Code Execution Vulnerability
CVE-2025-266698.8 HIGHWindows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability
CVE-2025-212218.8 HIGHWindows Telephony Service Remote Code Execution Vulnerability
CVE-2025-274778.8 HIGHWindows Telephony Service Remote Code Execution Vulnerability
CVE-2025-277408.8 HIGHActive Directory Certificate Services Elevation of Privilege Vulnerability
CVE-2025-212228.8 HIGHWindows Telephony Service Remote Code Execution Vulnerability
CVE-2025-274818.8 HIGHWindows Telephony Service Remote Code Execution Vulnerability
CVE-2025-277378.6 HIGHWindows Security Zone Mapping Security Feature Bypass Vulnerability
CVE-2025-266788.4 HIGHWindows Defender Application Control Security Feature Bypass Vulnerability
CVE-2025-266638.1 HIGHWindows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
CVE-2025-274828.1 HIGHWindows Remote Desktop Services Remote Code Execution Vulnerability
CVE-2025-274808.1 HIGHWindows Remote Desktop Services Remote Code Execution Vulnerability
CVE-2025-266708.1 HIGHLightweight Directory Access Protocol (LDAP) Client Remote Code Execution Vulnerability
CVE-2025-266718.1 HIGHWindows Remote Desktop Services Remote Code Execution Vulnerability
CVE-2025-274878.0 HIGHRemote Desktop Client Remote Code Execution Vulnerability
CVE-2025-240737.8 HIGHMicrosoft DWM Core Library Elevation of Privilege Vulnerability
CVE-2025-266397.8 HIGHWindows USB Print Driver Elevation of Privilege Vulnerability
CVE-2025-266757.8 HIGHWindows Subsystem for Linux Elevation of Privilege Vulnerability
CVE-2025-212047.8 HIGHWindows Process Activation Elevation of Privilege Vulnerability

Showing top 20 of 119 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows Server 2008 R2 Service Pack 1
Same vendor: Microsoft
Same weakness: CWE-20

V. Comments for CVE-2025-26647

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