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CVE-2023-36566

21
FAUCET Score

CVE-2023-36566 is a Denial of Service vulnerability affecting the Microsoft Common Data Model SDK. This medium-severity vulnerability (CVSS 6.5) can be exploited remotely with low privileges and complexity, leading to a complete denial of service for affected systems. While not currently listed in CISA's KEV catalog or having public exploit code (Metasploit, Nuclei, ExploitDB), it has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.7.4CPE matchmatch criteria
cpe:2.3:a:microsoft:common_data_model_sdk:*:*:*:*:*:c\#:*:*
< 1.7.4CPE matchmatch criteria
cpe:2.3:a:microsoft:common_data_model_sdk:*:*:*:*:*:java:*:*
< 1.7.4CPE matchmatch criteria
cpe:2.3:a:microsoft:common_data_model_sdk:*:*:*:*:*:python:*:*
< 1.7.4CPE matchmatch criteria
cpe:2.3:a:microsoft:common_data_model_sdk:*:*:*:*:*:typescript:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.80%
Probability of exploitation in next 30 days
EPSS Percentile
85.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0280 is in the 95th percentile among its peer group of 21,974 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 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 (8)

mavenpatch availablevia ghsa
Product: com.microsoft.commondatamodel:objectmodelFixed in: 1.7.4
microsoftpatch availablevia msrc
Product: Microsoft Common Data Model SDK for C#Fixed in: 1.7.4
View patch
microsoftpatch availablevia msrc
Product: Microsoft Common Data Model SDK for PythonFixed in: 1.7.4
View patch
microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Microsoft Common Data Model SDK for JavaFixed in: 1.7.4
View patch
microsoftpatch availablevia msrc
Product: Microsoft Common Data Model SDK for TypeScriptFixed in: 1.7.4
View patch
nugetpatch availablevia ghsa
Product: Microsoft.CommonDataModel.ObjectModelFixed in: 1.7.4
pippatch availablevia ghsa
Product: commondatamodel-objectmodelFixed in: 1.7.4

Vendor Advisories (2)

nugetGHSA-vm2m-7hpw-fpmqmedium

Microsoft Common Data Model SDK Denial of Service Vulnerability

Oct 10, 2023
microsoft2023-Oct/CVE-2023-36566Important

Microsoft Common Data Model SDK Denial of Service Vulnerability

Oct 10, 2023

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2023-36566
PatchVendor Advisory