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CVE-2025-26685— Microsoft Defender for Identity Spoofing Vulnerability

Quick assessment

Affected
Microsoft Microsoft Defender for Identity
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 Defender是美国微软（Microsoft）公司的一款威胁防护软件。 Microsoft Defender存在授权问题漏洞。攻击者利用该漏洞执行欺骗攻击。

CVSS 6.5 · Medium EPSS 0.70% · P51
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I. Basic Information for CVE-2025-26685

Vulnerability Information
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Vulnerability Title
Microsoft Defender for Identity Spoofing Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper authentication in Microsoft Defender for Identity allows an unauthorized attacker to perform spoofing over an adjacent network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Defender 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Defender是美国微软（Microsoft）公司的一款威胁防护软件。 Microsoft Defender存在授权问题漏洞。攻击者利用该漏洞执行欺骗攻击。
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 Microsoft Defender for Identity - -

II. Public POCs for CVE-2025-26685

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III. Intelligence Information for CVE-2025-26685

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Same Patch Batch · Microsoft · 2025-05-13 · 71 CVEs total

CVE-2025-30387 9.8 CRITICAL Document Intelligence Studio On-Prem Elevation of Privilege Vulnerability
CVE-2025-29840 8.8 HIGH Windows Media Remote Code Execution Vulnerability
CVE-2025-29964 8.8 HIGH Windows Media Remote Code Execution Vulnerability
CVE-2025-29966 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2025-29967 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2025-29962 8.8 HIGH Windows Media Remote Code Execution Vulnerability
CVE-2025-29963 8.8 HIGH Windows Media Remote Code Execution Vulnerability
CVE-2025-32704 8.4 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-30377 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2025-30386 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2025-26646 8.0 HIGH .NET, Visual Studio, and Build Tools for Visual Studio Spoofing Vulnerability
CVE-2025-32701 7.8 HIGH Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2025-30393 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-30400 7.8 HIGH Microsoft DWM Core Library Elevation of Privilege Vulnerability
CVE-2025-32706 7.8 HIGH Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2025-30383 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-24063 7.8 HIGH Kernel Streaming Service Driver Elevation of Privilege Vulnerability
CVE-2025-32709 7.8 HIGH Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
CVE-2025-30381 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-29975 7.8 HIGH Microsoft PC Manager Elevation of Privilege Vulnerability

Showing top 20 of 71 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: Microsoft
Same weakness: CWE-287

V. Comments for CVE-2025-26685

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