Quick answers
- Is CVE-2026-20517 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-20517 being exploited in the wild.
- How severe is CVE-2026-20517?
- Medium severity, with a CVSS score of 6.7, published 7 September 2026.
- Which products and versions are affected?
- MediaTek GenieZone <UNKNOWN>.
- Is there a fix for CVE-2026-20517?
- 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-2026-20517 attacked?
- It is attacked with local access.
- Am I affected by CVE-2026-20517?
- Check whether you run MediaTek GenieZone 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
The vulnerability is a use-after-free memory safety flaw in MediaTek's geniezone component. The attack requires the attacker to already possess system privilege on the affected chipset. No user interaction is needed for exploitation. A successful exploit allows local privilege escalation. The vulnerability is tracked as CVE-2026-20517 with a CVSS score of 6.7 (medium severity). MediaTek has issued a patch with ID ALPS10900510 for affected chipsets.
Affected products
- MediaTek geniezone <UNKNOWN>
Timeline
- 2026-09-07: disclosed