---
id: CVE-2026-101177
title: >-
  Permission control vulnerability in the Optimizer module.

  Impact: Successful exploitation of this vulnerability may affect service
  confidentiality.
summary: >-
  Permission control vulnerability in the Optimizer module.

  Impact: Successful exploitation of this vulnerability may affect service
  confidentiality.
severity: low
cvss: 3.7
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'
cvssSource: cna
cwe:
  - CWE-264
vendor: Huawei
product: HarmonyOS
affected:
  - HarmonyOS 4.3.3
  - HarmonyOS 4.3.1
  - HarmonyOS 4.3.0
  - HarmonyOS 4.2.0
  - HarmonyOS 4.0.0
  - EMUI 16.0.0
  - EMUI 15.0.0
  - EMUI 14.2.0
  - EMUI 14.0.0
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-02T19:31:30.082531Z'
published: '2026-11-02'
updated: '2026-11-02'
sourceUpdated: '2026-11-02T19:31:47.596Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-101177'
references:
  - url: 'https://consumer.huawei.com/en/support/bulletin/2026/10/'
tags:
  - cve.org
epss: 0.00146
epssPercentile: 0.03883
ingestedAt: '2026-11-05T19:30:42.799Z'
---

## Overview

Permission control vulnerability in the Optimizer module.
Impact: Successful exploitation of this vulnerability may affect service confidentiality.

## Affected

- `HarmonyOS 4.3.3`
- `HarmonyOS 4.3.1`
- `HarmonyOS 4.3.0`
- `HarmonyOS 4.2.0`
- `HarmonyOS 4.0.0`
- `EMUI 16.0.0`
- `EMUI 15.0.0`
- `EMUI 14.2.0`
- `EMUI 14.0.0`

## Remediation

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