Out of Bounds Write Vulnerability in imgsys by MediaTek
CVE-2025-20796

7.8HIGH

Key Information:

Vendor

MediaTek
Status
Mt6989, Mt8796, Mt8893
Vendor
CVE Published:
6 January 2026

What is CVE-2025-20796?

A vulnerability in imgsys allows for a potential out of bounds write due to insufficient input validation. If a malicious actor with system privileges exploits this flaw, it can lead to local privilege escalation. This vulnerability requires user interaction for exploitation, emphasizing the need for thorough input validation measures. Patch ID: ALPS10314745; Issue ID: MSV-5553.

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Affected Version(s)

MT6989, MT8796, MT8893 Android 15.0

References

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

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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