CVE-2026-20565: MediaTek chipset · Out-of-bounds Write
Affects MediaTek chipsetSource CVE Database V5
Not known to be exploited.
Data as of 2 Nov 2026, 02:59 UTC
Rated High 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 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.