CVE-2025-21218— Windows Kerberos Denial of Service Vulnerability

Quick assessment

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Affected

Microsoft Windows Server 2012

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 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存在资源管理错误漏洞。攻击者利用该漏洞导致系统拒绝服务。以下产品和版本受到影响：Windows Server 2019,Windows Server 2019 (Server Core installation),

CVE-2025-21218 affects Microsoft Windows Server 2012. No confirmed in-the-wild exploitation; assess based on exposure. 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存在资源管理错误漏洞。攻击者利用该漏洞导致系统拒绝服务。以下产品 CVE-2025-21218 vulnerability details, Shenlong CVE Platform, https://cve.imfht.com/detail/CVE-2025-21218

I. Basic Information for CVE-2025-21218

Affected Products

II. Public POCs for CVE-2025-21218

III. Intelligence Information for CVE-2025-21218

Vendor Advisories for CVE-2025-21218 (1)

• CVE-2025-21218 - Security Update Guide - Microsoft - Windows Kerberos Denial of Service Vulnerability vendor-advisory

• https://www.cve.org/CVERecord?id=CVE-2025-21218

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

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IV. Related Vulnerabilities

V. Comments for CVE-2025-21218