Vulnerability · Published Jun 1, 2026 · Assigned by MediaTek
CVE-2026-20452
High 8.0
In plain English
A high-severity heap buffer overflow 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 0.4% (higher than 38% of all known vulnerabilities).
Severity (CVSS 3.1)8.0High
Exploit odds (30 days)0.4%top 62.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In wlan AP driver, there is a possible memory corruption due to a heap buffer overflow. This could lead to remote (proximal/adjacent) code execution with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480138; Issue ID: MSV-6295.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| MediaTek, Inc. | MediaTek chipset | MT6890MT7615MT7915MT7916MT7981MT7986MT7990MT7992 |
Weakness: CWE-122 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H