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CVE-2026-62914— 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存在跨站脚本漏洞，该漏洞源于网页生成期间对输入的中和不当（跨站脚本），可能导致经过授权的攻击者通过网络进行欺骗攻击。

CVSS 7.3 · High EPSS 0.45% · P36

Affected Version Matrix 4

VendorProduct Version RangeStatus
Microsoft Microsoft Exchange Server 2016 Cumulative Update 23 15.01.0.0< 15.01.2507.072 affected
Microsoft Microsoft Exchange Server 2019 Cumulative Update 14 15.02.0.0< 15.02.1544.044 affected
Microsoft Microsoft Exchange Server 2019 Cumulative Update 15 15.02.0.0< 15.02.1748.049 affected
Microsoft Microsoft Exchange Server Subscription Edition RTM 15.02.0.0< 15.02.2562.046 affected
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I. Basic Information for CVE-2026-62914

Vulnerability Information
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Vulnerability Title
Microsoft Exchange Server Spoofing Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Exchange Server 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Exchange Server是美国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存在跨站脚本漏洞，该漏洞源于网页生成期间对输入的中和不当（跨站脚本），可能导致经过授权的攻击者通过网络进行欺骗攻击。
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 Exchange Server 2016 Cumulative Update 23 15.01.0.0 ~ 15.01.2507.072 -
Microsoft Microsoft Exchange Server 2019 Cumulative Update 14 15.02.0.0 ~ 15.02.1544.044 -
Microsoft Microsoft Exchange Server 2019 Cumulative Update 15 15.02.0.0 ~ 15.02.1748.049 -
Microsoft Microsoft Exchange Server Subscription Edition RTM 15.02.0.0 ~ 15.02.2562.046 -

II. Public POCs for CVE-2026-62914

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III. Intelligence Information for CVE-2026-62914

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Vendor Advisories for CVE-2026-62914 (1)

Same Patch Batch · Microsoft · 2026-08-11 · 402 CVEs total

CVE-2026-62878 9.8 CRITICAL Windows DNS Server Remote Code Execution Vulnerability
CVE-2026-59124 9.8 CRITICAL Microsoft High Performance Computing (HPC) Pack Remote Code Execution Vulnerability
CVE-2026-65791 9.8 CRITICAL Windows iSCSI Target Service Remote Code Execution Vulnerability
CVE-2026-62815 9.8 CRITICAL Microsoft QUIC Remote Code Execution Vulnerability
CVE-2026-62893 9.8 CRITICAL Windows Deployment Services TFTP Server Remote Code Execution Vulnerability
CVE-2026-50516 9.4 CRITICAL Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability
CVE-2026-70306 9.3 CRITICAL Microsoft Office SharePoint Spoofing Vulnerability
CVE-2026-70337 8.8 HIGH Microsoft PowerShell Remote Code Execution Vulnerability
CVE-2026-65660 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-65767 8.8 HIGH Microsoft Teams for Android Spoofing Vulnerability
CVE-2026-65663 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-65658 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-70336 8.8 HIGH Visual Studio Code Remote Code Execution Vulnerability
CVE-2026-70329 8.8 HIGH Microsoft Outlook Remote Code Execution Vulnerability
CVE-2026-62872 8.8 HIGH .NET Framework Elevation of Privilege Vulnerability
CVE-2026-70321 8.8 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2026-62823 8.8 HIGH Windows DHCP Server Remote Code Execution Vulnerability
CVE-2026-62822 8.8 HIGH Windows GDI+ Remote Code Execution Vulnerability
CVE-2026-69320 8.8 HIGH Visual Studio Code Remote Code Execution Vulnerability
CVE-2026-62824 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability

Showing top 20 of 402 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Microsoft Exchange Server 2016 Cumulative Update 23
Same vendor: Microsoft
Same weakness: CWE-79

V. Comments for CVE-2026-62914

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