0.0
NA
CVE-2026-20529
MediaTek Battery Driver Out-of-Bounds Write Vulnerability
Description

In battery, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11276677; Issue ID: MSV-9217.

INFO

Published Date :

Oct. 5, 2026, 2:16 a.m.

Last Modified :

Oct. 5, 2026, 2:16 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-20529 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Mediatek mt6761_firmware
2 Mediatek mt6765_firmware
3 Mediatek mt6768_firmware
4 Mediatek mt6781_firmware
5 Mediatek mt6853_firmware
6 Mediatek mt6893_firmware
7 Mediatek mt6989_firmware
8 Mediatek mt6991_firmware
9 Mediatek mt8766_firmware
10 Mediatek mt8768_firmware
11 Mediatek mt8781_firmware
12 Mediatek mt8788e_firmware
13 Mediatek mt8791t_firmware
14 Mediatek mt8796_firmware
15 Mediatek mt6993_firmware
16 Mediatek mt8775_firmware
17 Mediatek mt8792_firmware
18 Mediatek mt8883_firmware
19 Mediatek mt8893_firmware
20 Mediatek mt8196_firmware
21 Mediatek mt8910_firmware
22 Mediatek mt6858_firmware
23 Mediatek mt8186_firmware
24 Mediatek mt8188_firmware
25 Mediatek mt8171_firmware
26 Mediatek mt8189_firmware
27 Mediatek mt8799_firmware
28 Mediatek mt6881_firmware
Solution
Apply vendor patches to fix out-of-bounds write and privilege escalation.
  • Install available vendor patches.
  • Update the system to the latest version.
  • Apply security updates as recommended.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-20529.

URL Resource
https://www.mediatek.com/product-security-bulletin/October-2026
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-20529 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-20529 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-20529 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-20529 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Oct. 05, 2026

    Action Type Old Value New Value
    Added Description In battery, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11276677; Issue ID: MSV-9217.
    Added CWE CWE-787
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/20xxx/CVE-2026-20529.json">CVE-2026-20529</a>
    Added Reference https://www.mediatek.com/product-security-bulletin/October-2026
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.