---
id: CVE-2026-49885
title: >-
  In rw_t4t_update_file of rw_t4t.cc, there is a possible out-of-bounds write
  due to an integer overflow
summary: >-
  In rw_t4t_update_file of rw_t4t.cc, there is a possible out-of-bounds write
  due to an integer overflow. This could lead to local escalation of privilege
  with no additional execution privileges needed. User interaction is not needed
  for e…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-190
vendor: Google
product: Android
affected:
  - Android 17
  - Android 16-qpr2
  - Android 16
  - Android 15
  - Android 14
published: '2026-10-05'
updated: '2026-10-05'
sourceUpdated: '2026-10-05T20:17:21.590'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-49885'
references:
  - url: 'https://source.android.com/docs/security/bulletin/2026/2026-10-01'
    label: security@android.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-05T19:53:35.349626Z'
ingestedAt: '2026-10-05T19:30:59.985Z'
---

## Overview

In rw_t4t_update_file of rw_t4t.cc, there is a possible out-of-bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

## Remediation

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