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CVE-2026-20488: CWE-125 Out-of-bounds Read in MediaTek, Inc. MediaTek chipset

0
Medium
VulnerabilityCVE-2026-20488cvecve-2026-20488cwe-125
Published: 08/03/2026 (08/03/2026, 02:05:52 UTC)
Source: CVE Database V5
Vendor/Project: MediaTek, Inc.
Product: MediaTek chipset

Description

CVE-2026-20488 is an out-of-bounds read vulnerability (CWE-125) in MediaTek chipsets that may lead to local information disclosure. The flaw exists in the display component due to a missing bounds check. Exploitation requires the attacker to have already obtained System privilege, and no user interaction is needed. Multiple MediaTek chipset models are affected. No patch or official remediation information is currently available.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/03/2026, 03:08:03 UTC

Technical Analysis

This vulnerability involves an out-of-bounds read in the display functionality of MediaTek chipsets caused by a missing bounds check. It can result in local information disclosure if a malicious actor with System privileges exploits it. The vulnerability affects specific MediaTek chipset models listed explicitly. There is no CVSS score or vendor advisory indicating a patch or mitigation status at this time.

Potential Impact

An attacker with System privilege on an affected MediaTek chipset could exploit this vulnerability to read memory out-of-bounds, potentially disclosing sensitive information locally. Since System privilege is required, the impact is limited to scenarios where such privilege is already obtained. No remote or user-interaction-based exploitation is indicated.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or mitigation has been published. Until a patch is available, ensure that System privileges are tightly controlled to prevent exploitation.

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Technical Details

Data Version
5.2
Assigner Short Name
MediaTek
Date Reserved
2025-11-03T01:30:59.023Z
Cvss Version
null
State
PUBLISHED
Remediation Level
null

Threat ID: 6a700184bf32cb7a34d5cac5

Added to database: 08/03/2026, 02:48:36 UTC

Last enriched: 08/03/2026, 03:08:03 UTC

Last updated: 08/03/2026, 03:08:03 UTC

Views: 2

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