CVE-2026-20472: CWE-787 Out-of-bounds Write in MediaTek, Inc. MediaTek chipset
CVE-2026-20472 is an out-of-bounds write vulnerability in the MediaTek chipset MT6986 due to a missing bounds check in TFA. Exploitation requires local system privilege but no user interaction. This flaw could lead to a local denial of service condition. There is no confirmed patch or official remediation available at this time.
AI Analysis
Technical Summary
This vulnerability (CWE-787) involves an out-of-bounds write in the MediaTek chipset MT6986's TFA component caused by a missing bounds check. An attacker with existing System privileges can exploit this flaw to cause a local denial of service. The vulnerability does not require user interaction for exploitation. No CVSS score or detailed vendor remediation information is currently available.
Potential Impact
The impact is a potential local denial of service on devices using the affected MediaTek chipset MT6986. Exploitation requires the attacker to have already obtained System-level privileges, limiting the scope of impact to privileged local users. There is no indication of remote exploitation or privilege escalation from this vulnerability alone.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor MediaTek advisories for updates. No additional mitigation steps are specified in the available information.
CVE-2026-20472: CWE-787 Out-of-bounds Write in MediaTek, Inc. MediaTek chipset
Description
CVE-2026-20472 is an out-of-bounds write vulnerability in the MediaTek chipset MT6986 due to a missing bounds check in TFA. Exploitation requires local system privilege but no user interaction. This flaw could lead to a local denial of service condition. There is no confirmed patch or official remediation available at this time.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-787) involves an out-of-bounds write in the MediaTek chipset MT6986's TFA component caused by a missing bounds check. An attacker with existing System privileges can exploit this flaw to cause a local denial of service. The vulnerability does not require user interaction for exploitation. No CVSS score or detailed vendor remediation information is currently available.
Potential Impact
The impact is a potential local denial of service on devices using the affected MediaTek chipset MT6986. Exploitation requires the attacker to have already obtained System-level privileges, limiting the scope of impact to privileged local users. There is no indication of remote exploitation or privilege escalation from this vulnerability alone.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor MediaTek advisories for updates. No additional mitigation steps are specified in the available information.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- MediaTek
- Date Reserved
- 2025-11-03T01:30:59.016Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a700181bf32cb7a34d5c9f4
Added to database: 08/03/2026, 02:48:33 UTC
Last enriched: 08/03/2026, 03:23:55 UTC
Last updated: 08/03/2026, 03:23:55 UTC
Views: 2
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