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CVE-2026-62910— Microsoft Exchange Server Elevation of Privilege 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存在输入验证错误漏洞，该漏洞源于资源标识符控制不当，可能导致授权攻击者通过网络提升权限。

CVSS 7.2 · High EPSS 0.68% · P49

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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-2026-62910

Vulnerability Information
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Vulnerability Title
Microsoft Exchange Server Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper control of resource identifiers ('resource injection') in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对资源描述符的控制不恰当(资源注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Exchange Server 输入验证错误漏洞
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存在输入验证错误漏洞，该漏洞源于资源标识符控制不当，可能导致授权攻击者通过网络提升权限。
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-2026-62910

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III. Intelligence Information for CVE-2026-62910

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Vendor Advisories for CVE-2026-62910 (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-2026-62893 9.8 CRITICAL Windows Deployment Services TFTP Server Remote Code Execution Vulnerability
CVE-2026-62815 9.8 CRITICAL Microsoft QUIC Remote Code Execution Vulnerability
CVE-2026-65791 9.8 CRITICAL Windows iSCSI Target Service Remote Code Execution Vulnerability
CVE-2026-59124 9.8 CRITICAL Microsoft High Performance Computing (HPC) Pack 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-2026-65767 8.8 HIGH Microsoft Teams for Android Spoofing Vulnerability
CVE-2026-65807 8.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-65658 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-62817 8.8 HIGH Windows DNS Server Remote Code Execution Vulnerability
CVE-2026-62816 8.8 HIGH Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
CVE-2026-69320 8.8 HIGH Visual Studio Code Remote Code Execution Vulnerability
CVE-2026-62818 8.8 HIGH Windows Active Directory Certificate Services (AD CS) Remote Code Execution Vulnerability
CVE-2026-62872 8.8 HIGH .NET Framework Elevation of Privilege Vulnerability
CVE-2026-62913 8.8 HIGH Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2026-70337 8.8 HIGH Microsoft PowerShell Remote Code Execution Vulnerability
CVE-2026-70324 8.8 HIGH Microsoft SharePoint Elevation of Privilege Vulnerability
CVE-2026-70329 8.8 HIGH Microsoft Outlook Remote Code Execution Vulnerability
CVE-2026-66805 8.8 HIGH Microsoft SharePoint Server 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-99

V. Comments for CVE-2026-62910

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