Is CVE-2026-20522 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-20522 being exploited in the wild.

How severe is CVE-2026-20522?

High severity, with a CVSS score of 8.4, published 5 October 2026.

Is there a fix for CVE-2026-20522?

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-2026-20522 attacked?

It is attacked with local access, in device firmware.

Am I affected by CVE-2026-20522?

Check whether you run MediaTek Neuropilot. 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.

CVE-2026-20522: MediaTek neuropilot out-of-bounds write privilege escalation

CVE-2026-20522 · Severity: high · CVSS 8.4 · Published 2026-10-05

MediaTek's neuropilot is a processor component used in smartphones and other devices. A missing bounds check allows local attackers to write data outside allocated memory, leading to privilege escalation without requiring any special permissions or user interaction. This could allow malicious apps to gain system-level control of the device.

Vendors: MediaTek.

Quick answers

Is CVE-2026-20522 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-20522 being exploited in the wild.
How severe is CVE-2026-20522?: High severity, with a CVSS score of 8.4, published 5 October 2026.
Which products and versions are affected?: MediaTek neuropilot.
Is there a fix for CVE-2026-20522?: 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-2026-20522 attacked?: It is attacked with local access, in device firmware.
Am I affected by CVE-2026-20522?: Check whether you run MediaTek Neuropilot. 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

An out-of-bounds write vulnerability (CWE-787) exists in the neuropilot component due to missing bounds validation. The vulnerability is locally exploitable with no additional privileges required and no user interaction needed, enabling privilege escalation. A patch is available (Patch ID: ALPS11249050).

Affected products

MediaTek neuropilot

Timeline

2026-10-05: disclosed

References

https://www.mediatek.com/product-security-bulletin/October-2026

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.