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CVE-2025-64667— Microsoft Exchange Server Spoofing Vulnerability

Quick assessment

Affected
Microsoft Microsoft Exchange Server 2016 Cumulative Update 23
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 Exchange Server是美国微软（Microsoft）公司的一套电子邮件服务程序。它提供邮件存取、储存、转发，语音邮件，邮件过滤筛选等功能。 Microsoft Exchange Server存在安全漏洞。攻击者利用该漏洞执行欺骗攻击。以下产品和版本受到影响：Microsoft Exchange Server 2016 Cumulative Update 23,Microsoft Exchange Server 2019 Cumulative Update 15,Microso

CVSS 5.3 · Medium EPSS 0.80% · P55
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I. Basic Information for CVE-2025-64667

Vulnerability Information
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Vulnerability Title
Microsoft Exchange Server Spoofing Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键信息的UI错误表达
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Exchange Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Exchange Server是美国微软（Microsoft）公司的一套电子邮件服务程序。它提供邮件存取、储存、转发，语音邮件，邮件过滤筛选等功能。 Microsoft Exchange Server存在安全漏洞。攻击者利用该漏洞执行欺骗攻击。以下产品和版本受到影响：Microsoft Exchange Server 2016 Cumulative Update 23,Microsoft Exchange Server 2019 Cumulative Update 15,Microso
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 Exchange Server 2016 Cumulative Update 23 15.01.0.0 ~ 15.01.2507.063 -
Microsoft Microsoft Exchange Server 2019 Cumulative Update 14 15.02.0.0 ~ 15.02.1544.037 -
Microsoft Microsoft Exchange Server 2019 Cumulative Update 15 15.02.0.0 ~ 15.02.1748.042 -
Microsoft Microsoft Exchange Server Subscription Edition RTM 15.02.0.0 ~ 15.02.2562.035 -

II. Public POCs for CVE-2025-64667

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III. Intelligence Information for CVE-2025-64667

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Vendor Advisories for CVE-2025-64667 (1)

Same Patch Batch · Microsoft · 2025-12-09 · 56 CVEs total

CVE-2025-62456 8.8 HIGH Windows Resilient File System (ReFS) Remote Code Execution Vulnerability
CVE-2025-62550 8.8 HIGH Azure Monitor Agent Remote Code Execution Vulnerability
CVE-2025-62549 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-64672 8.8 HIGH Microsoft SharePoint Server Spoofing Vulnerability
CVE-2025-64678 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-64671 8.4 HIGH GitHub Copilot for Jetbrains Remote Code Execution Vulnerability
CVE-2025-62554 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2025-62557 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2025-55233 7.8 HIGH Windows Projected File System Elevation of Privilege Vulnerability
CVE-2025-62467 7.8 HIGH Windows Projected File System Elevation of Privilege Vulnerability
CVE-2025-62464 7.8 HIGH Windows Projected File System Elevation of Privilege Vulnerability
CVE-2025-62474 7.8 HIGH Windows Remote Access Connection Manager Elevation of Privilege Vulnerability
CVE-2025-62221 7.8 HIGH Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
CVE-2025-62552 7.8 HIGH Microsoft Access Remote Code Execution Vulnerability
CVE-2025-62462 7.8 HIGH Windows Projected File System Elevation of Privilege Vulnerability
CVE-2025-62553 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-54100 7.8 HIGH PowerShell Remote Code Execution Vulnerability
CVE-2025-64679 7.8 HIGH Windows DWM Core Library Elevation of Privilege Vulnerability
CVE-2025-64680 7.8 HIGH Windows DWM Core Library Elevation of Privilege Vulnerability
CVE-2025-64661 7.8 HIGH Windows Shell Elevation of Privilege Vulnerability

Showing top 20 of 56 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Microsoft Exchange Server 2016 Cumulative Update 23
Same vendor: Microsoft
Same weakness: CWE-451

V. Comments for CVE-2025-64667

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