CVE-2026-55366
CRITICALCVSS 9.8/10EPSS 0.36%
Last modified
CVE-2026-55366 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 0.36% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Android | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-55366?
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.
How severe is CVE-2026-55366?
CVE-2026-55366 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.
How do I fix CVE-2026-55366?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-55366?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST