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VulnerabilityPublished

CVE-2026-20565: MediaTek chipset · Out-of-bounds Write

Affects MediaTek chipsetSource CVE Database V5

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Not known to be exploited.

Data as of 2 Nov 2026, 02:59 UTC

Severity
High

Rated High 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
  • MT2716 – MT8893
74 affected builds
Fixed in–

AI-suggested

The vendor has assigned a patch ID (MOLY01778991) indicating that a fix is available. Users and administrators should apply the official patch from MediaTek to remediate this vulnerability. Since this is not a cloud service, manual patching is required. No other mitigation steps are specified.

Description

CVE-2026-20565 is an out-of-bounds write vulnerability in MediaTek chipsets caused by an incorrect bounds check in the modem component. This flaw allows local escalation of privilege without requiring additional execution privileges or user interaction. Multiple MediaTek chipset models are affected.

References

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