CVE-2026-20468: CWE-787 Out-of-bounds Write in MediaTek, Inc. MediaTek chipset
CVE-2026-20468 is an out-of-bounds write vulnerability (CWE-787) in MediaTek chipsets MT8196 and MT8366 within the apusys component. It allows local escalation of privilege due to a confused deputy issue, requiring the attacker to already have System privilege. No user interaction is needed for exploitation. There is no confirmed patch or remediation guidance available at this time.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds write in the apusys component of MediaTek chipsets MT8196 and MT8366. The flaw can lead to local escalation of privilege by exploiting a confused deputy condition, but only if the attacker already possesses System-level privileges. The vulnerability does not require user interaction to be exploited. No CVSS score or official remediation level has been published, and no patch links are provided.
Potential Impact
An attacker with existing System privileges could exploit this vulnerability to escalate their privileges further on affected MediaTek chipsets MT8196 and MT8366. This could potentially allow the attacker to gain unauthorized control or perform actions beyond their initial privilege level. However, exploitation requires prior System-level access, limiting the scope of impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or mitigation has been published at this time. Users and administrators should monitor MediaTek advisories for updates and apply patches once available.
CVE-2026-20468: CWE-787 Out-of-bounds Write in MediaTek, Inc. MediaTek chipset
Description
CVE-2026-20468 is an out-of-bounds write vulnerability (CWE-787) in MediaTek chipsets MT8196 and MT8366 within the apusys component. It allows local escalation of privilege due to a confused deputy issue, requiring the attacker to already have System privilege. No user interaction is needed for exploitation. There is no confirmed patch or remediation guidance available at this time.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds write in the apusys component of MediaTek chipsets MT8196 and MT8366. The flaw can lead to local escalation of privilege by exploiting a confused deputy condition, but only if the attacker already possesses System-level privileges. The vulnerability does not require user interaction to be exploited. No CVSS score or official remediation level has been published, and no patch links are provided.
Potential Impact
An attacker with existing System privileges could exploit this vulnerability to escalate their privileges further on affected MediaTek chipsets MT8196 and MT8366. This could potentially allow the attacker to gain unauthorized control or perform actions beyond their initial privilege level. However, exploitation requires prior System-level access, limiting the scope of impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or mitigation has been published at this time. Users and administrators should monitor MediaTek advisories for updates and apply patches once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- MediaTek
- Date Reserved
- 2025-11-03T01:30:59.015Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a700181bf32cb7a34d5c9e8
Added to database: 08/03/2026, 02:48:33 UTC
Last enriched: 08/03/2026, 03:24:28 UTC
Last updated: 08/03/2026, 03:24:28 UTC
Views: 2
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