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CVE-2018-8607

20
FAUCET Score

CVE-2018-8607 is a cross-site scripting (XSS) vulnerability in Microsoft Dynamics 365 (on-premises) version 8, allowing an attacker to execute arbitrary script in a user's browser by injecting specially crafted web requests. With a CVSS score of 5.4 (Medium), it requires user interaction and low privileges, potentially leading to limited impact on confidentiality and integrity. There is no evidence of active exploitation, and public exploit code (Metasploit, Nuclei, ExploitDB) is unavailable. Despite low EPSS and FAUCET scores, it has received some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.0, < 8.2.3.0003CPE matchmatch criteria
cpe:2.3:a:microsoft:dynamics_365:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.4MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.60%
Probability of exploitation in next 30 days
EPSS Percentile
73.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0160 is in the 97th percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Microsoft Dynamics 365 (on-premises) version 8
View patch

Vendor Advisories (1)

microsoft2018-Nov/CVE-2018-8607Important

Microsoft Dynamics 365 (on-premises) version 8 Cross Site Scripting Vulnerability

Nov 13, 2018

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2018-8607
PatchVendor Advisory
securityfocus.com / bid/105891
Third Party AdvisoryVDB Entry