SEPTEMBER 17, 2026
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Case File

CVE-2026-55366

CRITICAL · CVSS 9.8 EPSS 0.20% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-15 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

A logic error in the IP Multimedia Subsystem allows for a potential authentication bypass, enabling remote escalation of privileges without requiring additional execution rights or user interaction. Organizations utilizing this subsystem should prioritize addressing this vulnerability to mitigate the risk of unauthorized access and control over their systems. Immediate attention is recommended for environments where the IP Multimedia Subsystem is deployed.

Public Exploit Signal

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

Detected Signals
exploit

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

CVE
CVE-2026-55366
Severity
CRITICAL
CVSS
9.8
EPSS
0.20%

Original NVD Description

In IP Multimedia Subsystem, there is a possible authentication bypass due to a logic error in the code. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.