Microsoft Dynamics
CVE-2021-40457 — Microsoft Dynamics 365 Customer Engagement Cross-Site Scripting Vulnerability
Executive Summary
None
Overview
7.4
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:F/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Changed
CONFIDENTIALITY
High
INTEGRITY
None
AVAILABILITY
None
EXPLOIT CODE MATURITY
Functional
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.9
EPSS Score
0.01545
probability of exploitation in the next 30 days
0.71736 percentile - updated 2026-06-21
View on FIRST.org
Affected Products
2 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft Dynamics 365 Customer Engagement V9.0 | 4618795 (Security Update) |
Important | Spoofing | Maybe |
| Microsoft Dynamics 365 Customer Engagement V9.1 | 4618810 (Security Update) |
Important | Spoofing | Maybe |
Patches
2 patches
| Article | Type | Restart |
|---|---|---|
4618795 |
Security Update | Maybe |
4618810 |
Security Update | Maybe |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
References
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