CVE-2026-65815— Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
Quick assessment
Affected
Microsoft Microsoft Dynamics 365 (on-premises) version 9.1
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 Dynamics 365是美国Microsoft公司的一款企业资源计划系统。 Microsoft Dynamics 365 9.1.0047.0006之前版本存在反序列化注入漏洞，该漏洞源于反序列化不可信数据，可能导致授权攻击者通过网络执行代码。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Microsoft Dynamics 365 (on-premises) version 9.1 | 9.0< 9.1.0047.0006 |
affected |
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I. Basic Information for CVE-2026-65815
Vulnerability Information
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Vulnerability Title
Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Deserialization of untrusted data in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Dynamics 365 反序列化注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Dynamics 365是美国Microsoft公司的一款企业资源计划系统。 Microsoft Dynamics 365 9.1.0047.0006之前版本存在反序列化注入漏洞，该漏洞源于反序列化不可信数据，可能导致授权攻击者通过网络执行代码。
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 Dynamics 365 (on-premises) version 9.1 | 9.0 ~ 9.1.0047.0006 | - |
|
II. Public POCs for CVE-2026-65815
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-65815 (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-2026-62795 | 8.8 HIGH | Windows LDAP - Lightweight Directory Access Protocol 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 → →
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V. Comments for CVE-2026-65815
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