# CVE-2026-101175: Huawei HarmonyOS null pointer dereference in ArkWeb module

Source: https://junglewise.ai/threats/cve-2026-101175-null-pointer-dereference-vulnerability-in-the-arkweb-module  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-02. Updated: 2026-11-02  
License: CC BY 4.0 with a link back

CVE-2026-101175 · Severity: medium · CVSS 4.3 · Published 2026-11-02

HarmonyOS is Huawei's mobile and embedded operating system that powers phones, tablets, and PCs. A null pointer dereference vulnerability in the ArkWeb browser component can cause the system to crash or become unresponsive, disrupting device availability and user productivity.

Technologies: [Huawei Harmonyos](https://junglewise.ai/threats/technologies/harmonyos). Vendors: [Huawei](https://junglewise.ai/threats/vendors/huawei).

## Quick answers

**Is CVE-2026-101175 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-101175 being exploited in the wild.

**How severe is CVE-2026-101175?** Medium severity, with a CVSS score of 4.3, published 2 November 2026.

**Which products and versions are affected?** Huawei Harmonyos 6.1.0, 7.0.0.

**Is there a fix for CVE-2026-101175?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-101175 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-101175?** Check whether you run Huawei Harmonyos at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A null pointer dereference vulnerability in HarmonyOS's ArkWeb module allows an attacker to trigger a denial-of-service condition by causing the application to reference a null pointer, leading to a crash. The vulnerability affects HarmonyOS 7.0.0 and 6.1.0. No authentication or user interaction beyond normal device use is required; successful exploitation results in loss of availability for the affected component.

## Affected products

- Huawei HarmonyOS 6.1.0, 7.0.0

## Timeline

- 2026-10-02: advisory
- 2026-11-02: disclosed

## References

- [https://consumer.huawei.com/en/support/bulletin/2026/10/](https://consumer.huawei.com/en/support/bulletin/2026/10/)
- [https://consumer.huawei.com/en/support/bulletinlaptops/2026/10/](https://consumer.huawei.com/en/support/bulletinlaptops/2026/10/)

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