CVE-2026-20426
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 involves 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 allocated memory buffer, which can corrupt memory and lead to unexpected behavior.
Exploitation of this vulnerability could allow a malicious actor who already has System privilege to escalate their privileges locally.
No user interaction is required to exploit this vulnerability.
How can this vulnerability impact me? :
If exploited, this vulnerability could allow an attacker with existing System privileges to escalate their privileges further on the affected system.
This could lead to greater control over the system, potentially allowing the attacker to execute unauthorized actions or access sensitive information.
Since no user interaction is needed, the vulnerability could be exploited silently 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