Out of Bounds Read Vulnerability in MediaTek Products
CVE-2026-20429

4.4MEDIUM

Key Information:

Vendor

MediaTek
Status
Mt6739, Mt6761, Mt6765, Mt6768, Mt6781, Mt6789, Mt6833, Mt6835, Mt6853, Mt6855, Mt6877, Mt6878, Mt6879, Mt6883, Mt6885, Mt6886, Mt6889, Mt6893, Mt6895, Mt6897, Mt6899, Mt6983, Mt6985, Mt6989, Mt6991, Mt6993, Mt8196, Mt8678, Mt8793
Vendor
CVE Published:
2 March 2026

What is CVE-2026-20429?

A vulnerability exists in MediaTek systems that allows a potential out-of-bounds read due to an absence of proper bounds checking. This issue could enable a malicious actor, who has already secured system privileges, to disclose sensitive local information without requiring additional user interaction. Users are encouraged to apply the necessary patches to mitigate risks associated with this vulnerability.

Human OS v1.0:
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Deploy the Patch

Affected Version(s)

MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT6993, MT8196, MT8678, MT8793 Android 14.0, 15.0, 16.0

References

https://corp.mediatek.com/product-security-bulletin/March...

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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