Microsoft Dynamics 365 Cross-site Scripting Vulnerability

published 2024-08-06 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-37139

cvss: 8.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits: 0; none known

An unauthenticated attacker can exploit improper neutralization of input during web page generation in Microsoft Dynamics 365 to spoof over a network by tricking a user to click on a link.

Patch / fix

links 1

msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38166 advisory

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-08-07)

Exploit prediction

0.75% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.2	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C
CNA	3.1	8.2	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

Microsoft Dynamics CRM Service Portal Web Resource

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

msrc.microsoft.com /update-guide/vulnerability/CVE-2024-38166
vendor-advisory, patch

Sources

CVE List CVE-2024-38166
NVD CVE-2024-38166

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary