CVE-2026-20488: CWE-125 Out-of-bounds Read in MediaTek, Inc. MediaTek chipset
CVE-2026-20488 is a medium severity vulnerability in MediaTek chipsets involving an out-of-bounds read in the display component due to a missing bounds check. This flaw can lead to local information disclosure if an attacker already has System privileges. Exploitation does not require user interaction. Multiple MediaTek chipset models are affected. No official patch or remediation details are currently available.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-20488) affects various MediaTek chipsets and is caused by a missing bounds check in the display functionality, resulting in an out-of-bounds read (CWE-125). The flaw allows an attacker with System privileges to disclose information locally without needing user interaction. The CVSS 3.1 base score is 4.4, reflecting medium severity with high confidentiality impact but no integrity or availability impact. There is no vendor advisory or patch information provided at this time.
Potential Impact
An attacker who has already obtained System privileges on a vulnerable MediaTek chipset could exploit this vulnerability to read memory out-of-bounds, leading to local information disclosure. There is no impact on integrity or availability, and no remote exploitation vector is indicated.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or remediation level is provided, users should monitor MediaTek advisories for updates. No specific mitigations are documented at this time.
CVE-2026-20488: CWE-125 Out-of-bounds Read in MediaTek, Inc. MediaTek chipset
Description
CVE-2026-20488 is a medium severity vulnerability in MediaTek chipsets involving an out-of-bounds read in the display component due to a missing bounds check. This flaw can lead to local information disclosure if an attacker already has System privileges. Exploitation does not require user interaction. Multiple MediaTek chipset models are affected. No official patch or remediation details are currently available.
CVSS v3.1
Score 4.4medium
Affected software
MediaTek, Inc.
MediaTek chipset
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-20488) affects various MediaTek chipsets and is caused by a missing bounds check in the display functionality, resulting in an out-of-bounds read (CWE-125). The flaw allows an attacker with System privileges to disclose information locally without needing user interaction. The CVSS 3.1 base score is 4.4, reflecting medium severity with high confidentiality impact but no integrity or availability impact. There is no vendor advisory or patch information provided at this time.
Potential Impact
An attacker who has already obtained System privileges on a vulnerable MediaTek chipset could exploit this vulnerability to read memory out-of-bounds, leading to local information disclosure. There is no impact on integrity or availability, and no remote exploitation vector is indicated.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or remediation level is provided, users should monitor MediaTek advisories for updates. No specific mitigations are documented at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- MediaTek
- Date Reserved
- 2025-11-03T01:30:59.023Z
- State
- PUBLISHED
Threat ID: 6a700184bf32cb7a34d5cac5
Added to database: 08/03/2026, 02:48:36 UTC
Last enriched: 08/10/2026, 15:01:17 UTC
Last updated: 09/16/2026, 22:01:33 UTC
Views: 26
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