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VulnerabilityPublished

CVE-2026-20577: MediaTek chipset · Improper Handling of Insufficient Permissions or Privileges

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
  • MT2716 – MT8883
25 affected builds
Fixed in–

AI-suggested

Patch ID MOLY01880753 is referenced, indicating a fix likely exists. Users should apply the official patch from MediaTek corresponding to this Patch ID when available. Until then, ensure that only trusted parties have System-level access to affected devices to reduce risk.

Description

CVE-2026-20577 is a vulnerability in MediaTek chipsets that involves improper handling of insufficient permissions, leading to a permissions bypass in the modem component. Exploitation does not require user interaction but requires the attacker to already have System privileges. Successful exploitation could cause a local denial of service. Multiple MediaTek chipset models are affected.

References

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