Quick answers
- Is CVE-2026-20567 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-20567 being exploited in the wild.
- How severe is CVE-2026-20567?
- Informational severity, published 2 November 2026.
- Which products and versions are affected?
- MediaTek afe.
- Is there a fix for CVE-2026-20567?
- 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-2026-20567 attacked?
- It is attacked with local access, in device firmware.
- Am I affected by CVE-2026-20567?
- Check whether you run MediaTek Afe. 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 missing bounds check in the afe component allows an out-of-bounds write, leading to local privilege escalation. The vulnerability requires the attacker to already hold System privilege; exploitation does not require user interaction. A fix is available via security patch ALPS11431394.
Affected products
- MediaTek afe
Timeline
- 2026-11-02: disclosed