---
id: CVE-2026-55331
title: >-
  In IP Multimedia Subsystem, there is a possible out-of-bounds write due to an
  incorrect bounds check
summary: >-
  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.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-120
vendor: google
product: android
affected:
  - android
published: '2026-09-15'
updated: '2026-09-21'
sourceUpdated: '2026-09-21T17:20:19.183'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-55331'
references:
  - url: 'https://source.android.com/docs/security/bulletin/pixel/2026/2026-09-01'
    label: dsap-vuln-management@google.com
tags:
  - nvd
  - cve.org
epss: 0.00271
epssPercentile: 0.19528
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-15T20:49:21.847632Z'
ingestedAt: '2026-09-15T18:41:59.171Z'
---

## Overview

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.

## Affected

- `android`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.