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CVE-2019-1229

28
FAUCET Score

CVE-2019-1229 is an elevation of privilege vulnerability affecting Microsoft Dynamics On-Premise v9. An attacker with customizer privileges could exploit this by persisting malicious XAML script, gaining control of the Dynamics Web Role. This vulnerability has a high CVSS score of 8.8, indicating a significant risk with low attack complexity and potential for complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation is reported, the vulnerability has received some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
9.0CPE matchmatch criteria
cpe:2.3:a:microsoft:dynamics_365:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.45%
Probability of exploitation in next 30 days
EPSS Percentile
87.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0345 is in the 87th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 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 9.0
View patch

Vendor Advisories (1)

microsoft2019-Aug/CVE-2019-1229Important

Dynamics On-Premise Elevation of Privilege Vulnerability

Aug 13, 2019

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2019-1229
PatchVendor Advisory