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TI-2021-17506 Aliases CVE-2021-40457GHSA-q8m2-7cfj-gxf6

Microsoft Dynamics 365 Customer Engagement Cross-Site Scripting Vulnerability

Priority LOW 36CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Microsoft Dynamics 365 Customer Engagement Cross-Site Scripting Vulnerability

Why it matters now

EPSS 0.01633 76th percentileScored 2026-11-07
Fix Fixed Microsoft Dynamics 365 Customer Engagement V9.1 (Microsoft): 9.1.4Microsoft Dynamics 365 Customer Engagement V9.0 (Microsoft): 9.0.31.7

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft Dynamics 365 Customer Engagement V9.19.0 to before 9.1.49.1.4Patch availableCNA
MicrosoftMicrosoft Dynamics 365 Customer Engagement V9.09.0.0 to before 9.0.31.79.0.31.7Patch availableCNA
  • Microsoft Dynamics 365 Customer Engagement V9.1 VendorMicrosoft Affected 9.0 to before 9.1.4 Fixed in 9.1.4 Patch available CNA
  • Microsoft Dynamics 365 Customer Engagement V9.0 VendorMicrosoft Affected 9.0.0 to before 9.0.31.7 Fixed in 9.0.31.7 Patch available CNA

CPE configurations NVD · 2

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

Remediation

  • Fix · CNA Microsoft Dynamics 365 Customer Engagement V9.1 (Microsoft) Fixed in 9.1.4
  • Fix · CNA Microsoft Dynamics 365 Customer Engagement V9.0 (Microsoft) Fixed in 9.0.31.7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-40457
  2. 2026-10-03 Alias added: GHSA-q8m2-7cfj-gxf6

References

Patch 1

  • 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