Quick answers
- Is CVE-2026-20537 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-20537 being exploited in the wild.
- How severe is CVE-2026-20537?
- Medium severity, with a CVSS score of 6.7, published 5 October 2026.
- Which products and versions are affected?
- MediaTek Dimensity 5G Multiple chipsets: MT2716, MT2735, MT2737, MT6813, MT6815, MT6833, MT6835, MT6853, MT6855, MT6858, MT6873, MT6875, MT6877, MT6878, MT6879, MT6880, MT6881, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6896.
- Is there a fix for CVE-2026-20537?
- 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-2026-20537 attacked?
- It is attacked with local access, in device firmware.
- Am I affected by CVE-2026-20537?
- Check whether you run MediaTek Dimensity 5G 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 use-after-free vulnerability in AIDL allows memory corruption when freed memory is accessed. The vulnerability requires an attacker to already possess System privilege; local attack vector only. Successful exploitation could result in privilege escalation beyond system level. The issue is tracked as MSV-9024 with patch ID ALPS11185225.
Affected products
- MediaTek Dimensity 5G Multiple chipsets: MT2716, MT2735, MT2737, MT6813, MT6815, MT6833, MT6835, MT6853, MT6855, MT6858, MT6873, MT6875, MT6877, MT6878, MT6879, MT6880, MT6881, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6896
Timeline
- 2026-10-05: disclosed