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TI-2021-13548 Aliases CVE-2021-34524GHSA-gmr6-p4w6-pwr5

Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability

Priority MEDIUM 44Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from Microsoft.

Summary

Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability

Why it matters now

EPSS 0.03615 89th percentileScored 2026-11-07
Fix Fixed Microsoft Dynamics 365 (on-premises) version 9.0 (Microsoft): 9.0.31.7Microsoft Dynamics 365 (on-premises) version 9.1 (Microsoft): 9.1.3.11

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft Dynamics 365 (on-premises) version 9.09.0.0 to before 9.0.31.79.0.31.7Patch availableCNA
MicrosoftMicrosoft Dynamics 365 (on-premises) version 9.19.0 to before 9.1.3.119.1.3.11Patch availableCNA
  • Microsoft Dynamics 365 (on-premises) version 9.0 VendorMicrosoft Affected 9.0.0 to before 9.0.31.7 Fixed in 9.0.31.7 Patch available CNA
  • Microsoft Dynamics 365 (on-premises) version 9.1 VendorMicrosoft Affected 9.0 to before 9.1.3.11 Fixed in 9.1.3.11 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:dynamics_365:9.0:*:*:*:on-premises:*:*:*9.0VulnerableMicrosoft
cpe:2.3:a:microsoft:dynamics_365:9.1:*:*:*:on-premises:*:*:*9.1VulnerableMicrosoft
  • cpe:2.3:a:microsoft:dynamics_365:9.0:*:*:*:on-premises:*:*:* Versions 9.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:dynamics_365:9.1:*:*:*:on-premises:*:*:* Versions 9.1 Vulnerable ·Microsoft

Remediation

  • Fix · CNA Microsoft Dynamics 365 (on-premises) version 9.0 (Microsoft) Fixed in 9.0.31.7
  • Fix · CNA Microsoft Dynamics 365 (on-premises) version 9.1 (Microsoft) Fixed in 9.1.3.11

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Remote Code Execution
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Microsoft Dynamics 365 (on-premises) version 9.0Fixed 9.0.31.7 · Security Update
Microsoft Dynamics 365 (on-premises) version 9.1Fixed 9.1.3.11 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-34524
  2. 2026-10-03 Alias added: GHSA-gmr6-p4w6-pwr5

References

Patch 2

  • TI-2018-06256 Improper output encoding in Microsoft Dynamics 365 CVSS 3.0HIGH 8.8
  • TI-2020-12866 Microsoft Dynamics 365 (on-premises) Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
  • TI-2026-31102 Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.9
  • TI-2024-25464 Microsoft Dynamics 365 Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2022-15512 Microsoft Dynamics CRM (on-premises) Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
  • TI-2026-35158 Dynamics 365 Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 9.9
See all 102 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences