CVE-2026-20428
Out-of-Bounds Write in Display Causes Local Privilege Escalation
Publication date: 2026-03-02
Last updated on: 2026-03-03
Assigner: MediaTek, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| android | 14.0 | |
| android | 15.0 | |
| android | 16.0 |
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 a possible out of bounds write in the display component caused by a missing bounds check.
An out of bounds write means that the software writes data outside the memory area it is supposed to, which can corrupt memory and lead to unexpected behavior.
In this case, the vulnerability could allow a local attacker who already has System privilege to escalate their privileges further.
No user interaction is needed to exploit this vulnerability.
How can this vulnerability impact me? :
If exploited, this vulnerability could allow a malicious actor with existing System privileges to escalate their privileges locally.
This means the attacker could gain higher-level access or control over the affected system, potentially leading to unauthorized actions or system compromise.
Since no user interaction is needed, the exploitation could be stealthy and automated once the attacker has System privileges.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know