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VulnerabilityPublished

CVE-2026-20582: MediaTek chipset · Double Free

Affects MediaTek chipsetSource CVE Database V5

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Not known to be exploited.

Data as of 2 Nov 2026, 02:58 UTC

Severity
Medium

Rated Medium by Threat Radar's AI analysis · No CVSS score from NVD or the CNA

Thin evidence

One scorer or none

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 1 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
MediaTek, Inc.MediaTek chipsetAffected
  • MT6993 – MT8668
5 affected builds
Fixed in–

AI-suggested

Until a patch is available, limit local access to trusted users and monitor for updates from MediaTek.

Description

CVE-2026-20582 is a double free vulnerability in the USB component of MediaTek chipsets. This memory corruption flaw could allow local escalation of privilege if an attacker already has System privileges. Exploitation does not require user interaction. The affected chipsets include MT6993, MT8188, MT8189, MT8532, and MT8668.

References

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