VULNERABILITY INTELLIGENCE
CVE-2026-55331
CVSS score8.8 HIGH
EPSS probability0.37%
CISA KEVNot currently listed
Published2026-09-15
Last modified2026-09-21
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
In IP Multimedia Subsystem, there is a possible out-of-bounds write due to an incorrect bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
Weakness classification
- CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Primary references
- dsap-vuln-management@google.com — Vendor Advisory