CVE-2026-20409
BaseFortify
Publication date: 2026-02-02
Last updated on: 2026-02-04
Assigner: MediaTek, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| android | 15.0 | |
| mediatek | mt6897 | * |
| mediatek | mt6989 | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an out of bounds write in the imgsys component caused by a missing bounds check. It allows a local attacker who already has System privilege to escalate their privileges further. Exploitation does not require any user interaction.
How can this vulnerability impact me? :
If exploited, this vulnerability could allow a malicious actor with System privilege to escalate their privileges locally, potentially gaining higher access or control over the affected system.
What immediate steps should I take to mitigate this vulnerability?
Apply the patch identified as ALPS10363246 provided by the vendor to fix the out of bounds write vulnerability in imgsys. Since exploitation requires local access with System privilege, ensure that only trusted users have such privileges and monitor for any suspicious local activity.