CVE-2026-55366

9.8 criticalEPSS 0.5%

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-31)
CWE: CWE-693
Published: 2026-09-15
Modified: 2026-09-21
Record from: the NVD, synced 2026-10-19

Affected

google:android

References

https://source.android.com/docs/security/bulletin/pixel/2026/2026-09-01

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