Vulnerability · Published Sep 7, 2026 · Assigned by MediaTek
CVE-2026-20516
Medium 5.5
In plain English
A medium-severity security flaw in MediaTek chipset from MediaTek, Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.1%top 97.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
In MiracastService, there is a possible escalation of privilege due to a confused deputy. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11060069 / DTV04881615; Issue ID: MSV-7882.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| MediaTek, Inc. | MediaTek chipset | MT5586MT5836MT5838MT5867MT9011MT9012MT9015MT9022 |
Weakness: CWE-926 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H