CVE-2026-20440
Out-of-Bounds Write in MAE 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 | 15.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-1285 | The product receives input that is expected to specify an index, position, or offset into an indexable resource such as a buffer or file, but it does not validate or incorrectly validates that the specified index/position/offset has the required properties. |
| 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 exists in MAE and is caused by a missing bounds check that leads to a possible out of bounds write.
An out of bounds write means that the software writes data outside the allocated memory area, which can corrupt memory and cause unexpected behavior.
Exploitation of this vulnerability could allow a malicious actor who already has System privilege to escalate their privileges locally.
User interaction is not required to exploit this vulnerability.
How can this vulnerability impact me? :
If exploited, this vulnerability could allow an attacker who already has System privilege to escalate their privileges further on the local system.
This could lead to greater control over the affected system, potentially allowing the attacker to execute unauthorized actions or access sensitive information.
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