AUGUST 4, 2026
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Case File

CVE-2026-40306

MEDIUM · CVSS 6.5 EPSS 0.18% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-04-17 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. It affects Microsoft. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-40306
Severity
MEDIUM
CVSS
6.5
EPSS
0.18%
Microsoft

Original NVD Description

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. All new installations of DNN 10.x.x - 10.2.1 have the same Host GUID. This does not affect upgrades from 9.x.x. Version 10.2.2 patches the issue.

Related CVEs

Other vulnerabilities affecting the same vendor(s)