CVE-2026-20456

MEDIUM EPSS 1.1%
Published Jun 1, 20264w ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jun 1, 2026 4w ago
Last Modified Jun 17, 2026 1w ago

Description

In wlan STA driver, there is a possible system crash due to a missing bounds check. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480851; Issue ID: MSV-6338.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
1.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 12

VendorProductVersionRange
mediatekmt7902_firmware*any
mediatekmt7902*any
mediatekmt7920_firmware*any
mediatekmt7920*any
mediatekmt7921_firmware*any
mediatekmt7921*any
mediatekmt7922_firmware*any
mediatekmt7922*any
mediatekmt7925_firmware*any
mediatekmt7925*any
mediatekmt7927_firmware*any
mediatekmt7927*any

References 1

  • corp.mediatek.com https://corp.mediatek.com/product-security-bulletin/June-2026
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.