---
id: CVE-2025-20795
title: >-
  In KeyInstall, there is a possible out of bounds write due to a missing bounds
  check
summary: >-
  In KeyInstall, there is a possible out of bounds write due to a missing bounds
  check. This could lead to local escalation of privilege if a malicious actor
  has already obtained the System privilege. User interaction is not needed for
  exp…
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-787
vendor: google
product: android
affected:
  - android = 13.0
  - android = 14.0
  - android = 15.0
  - android = 16.0
published: '2026-01-06'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T23:10:00.237'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-20795'
references:
  - url: 'https://corp.mediatek.com/product-security-bulletin/January-2026'
    label: security@mediatek.com
tags:
  - nvd
epss: 0.00083
epssPercentile: 0.00225
ingestedAt: '2026-09-30T23:29:32.541Z'
---

## Overview

In KeyInstall, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10276761; Issue ID: MSV-5141.

## Affected

- `android = 13.0`
- `android = 14.0`
- `android = 15.0`
- `android = 16.0`

## Remediation

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