VULNERABILITY INTELLIGENCE

CVE-2026-55366

CVSS score9.8 CRITICAL
EPSS probability0.46%
CISA KEVNot currently listed
Published2026-09-15
Last modified2026-09-21
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-693: Protection Mechanism Failure

Primary references