CVE-2026-20564: MediaTek chipset · Out-of-bounds Write
Affects MediaTek chipsetSource CVE Database V5
Not known to be exploited.
Data as of 2 Nov 2026, 03:02 UTC
Rated Medium by Threat Radar's AI analysis · No CVSS score from NVD or the CNA
Thin evidence
One scorer or noneExploitation evidence
Disclosed: evidence found.
CVE published 2 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| MediaTek, Inc.MediaTek chipset | Affected
| Fixed in– |
AI-suggested
The issue is identified with a patch ID MOLY01780439; users should apply this official fix from MediaTek when available. Since no explicit patch link is provided, consult MediaTek advisories or support channels for the official patch. No alternative mitigations are described.
Description
CVE-2026-20564 is an out-of-bounds write vulnerability in MediaTek chipsets' modem component caused by an incorrect bounds check. Exploitation can lead to a local denial of service without requiring additional privileges or user interaction. Multiple MediaTek chipset models are affected.