0.0
NA
CVE-2026-20533
Display Integer Overflow Privilege Escalation
Description

In display, there is a possible escalation of privilege due to an integer overflow. 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: ALPS11296678; Issue ID: MSV-9167.

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-2026-20533 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 mt6739_firmware
2 Mediatek mt6761_firmware
3 Mediatek mt6765_firmware
4 Mediatek mt6768_firmware
5 Mediatek mt6781_firmware
6 Mediatek mt6789_firmware
7 Mediatek mt6833_firmware
8 Mediatek mt6835_firmware
9 Mediatek mt6853_firmware
10 Mediatek mt6855_firmware
11 Mediatek mt6877_firmware
12 Mediatek mt6878_firmware
13 Mediatek mt6879_firmware
14 Mediatek mt6883_firmware
15 Mediatek mt6885_firmware
16 Mediatek mt6886_firmware
17 Mediatek mt6889_firmware
18 Mediatek mt6893_firmware
19 Mediatek mt6895_firmware
20 Mediatek mt6897_firmware
21 Mediatek mt6899_firmware
22 Mediatek mt6983_firmware
23 Mediatek mt6985_firmware
24 Mediatek mt6989_firmware
25 Mediatek mt6991_firmware
26 Mediatek mt8676_firmware
27 Mediatek mt8678_firmware
28 Mediatek mt6993_firmware
29 Mediatek mt8668_firmware
30 Mediatek mt8793_firmware
31 Mediatek mt6858_firmware
32 Mediatek mt8188_firmware
33 Mediatek mt8171_firmware
Solution
Apply vendor updates to fix an integer overflow vulnerability that allows privilege escalation.
  • Apply the latest vendor patches for affected systems.
  • Update the software to the latest secure version.
  • Test updates thoroughly before deployment.
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-2026-20533.

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-2026-20533 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-2026-20533 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-2026-20533 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-20533 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 display, there is a possible escalation of privilege due to an integer overflow. 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: ALPS11296678; Issue ID: MSV-9167.
    Added CWE CWE-190
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/20xxx/CVE-2026-20533.json">CVE-2026-20533</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.