---
id: CVE-2026-20470
title: >-
  In Telephony, there is a possible information disclosure due to a missing
  permission check
summary: >-
  In Telephony, there is a possible information disclosure due to a missing
  permission check. This could lead to local information disclosure with no
  additional execution privileges needed. User interaction is not needed for
  exploitation. …
severity: none
cwe:
  - CWE-926
published: '2026-08-03'
updated: '2026-08-03'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-20470'
references:
  - url: 'https://www.mediatek.com/product-security-bulletin/August-2026'
    label: security@mediatek.com
tags:
  - nvd
ingestedAt: '2026-08-03T06:23:47.263Z'
epss: 0.00171
epssPercentile: 0.05692
---

## Overview

In Telephony, there is a possible information disclosure due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11086431; Issue ID: MSV-8189.

## Remediation

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