CVE-2026-55366CWE-693

CVE-2026-55366

Critical · published September 15, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
38.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00460 · 38.9th percentile
Weakness
CWE-693 · Protection Mechanism Failure
Published
2026-09-15T23:17Z
Affected products (1)
ProductVersionsFixed in
google/androidall versions—
References (1)
https://source.android.com/docs/security/bulletin/pixel/2026/2026-09-01 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:31Z
    EPSS moved — → 0%
    epss
  • 15 SEP 18:33Z
    In IP Multimedia Subsystem, there is a possible authentication bypass due to a logic error in the code
    cvelistv5