CVE-2026-20571
Received Received - Intake

Memory Corruption in Afe Due to Use After Free

Publication date: 2026-11-02

Last updated on: 2026-11-02

Assigner: MediaTek, Inc.

Description
In afe, there is a possible memory corruption due to use after free. 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: ALPS11434319; Issue ID: MSV-9925.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-11-02
Last Modified
2026-11-02
Generated
2026-11-02
AI Q&A
2026-11-02
EPSS Evaluated
N/A
NVD
CVE-2026-20571

Affected Vendors & Products

Showing 41 associated CPEs
Vendor Product Version / Range
MediaTek, Inc. MediaTek chipset MT6739
MediaTek, Inc. MediaTek chipset MT6761
MediaTek, Inc. MediaTek chipset MT6765
MediaTek, Inc. MediaTek chipset MT6768
MediaTek, Inc. MediaTek chipset MT6769
MediaTek, Inc. MediaTek chipset MT6781
MediaTek, Inc. MediaTek chipset MT6789
MediaTek, Inc. MediaTek chipset MT6835
MediaTek, Inc. MediaTek chipset MT6853
MediaTek, Inc. MediaTek chipset MT6855
MediaTek, Inc. MediaTek chipset MT6858
MediaTek, Inc. MediaTek chipset MT6877
MediaTek, Inc. MediaTek chipset MT6878
MediaTek, Inc. MediaTek chipset MT6879
MediaTek, Inc. MediaTek chipset MT6881
MediaTek, Inc. MediaTek chipset MT6883
MediaTek, Inc. MediaTek chipset MT6885
MediaTek, Inc. MediaTek chipset MT6886
MediaTek, Inc. MediaTek chipset MT6889
MediaTek, Inc. MediaTek chipset MT6893
MediaTek, Inc. MediaTek chipset MT6895
MediaTek, Inc. MediaTek chipset MT6897
MediaTek, Inc. MediaTek chipset MT6899
MediaTek, Inc. MediaTek chipset MT6983
MediaTek, Inc. MediaTek chipset MT6985
MediaTek, Inc. MediaTek chipset MT6989
MediaTek, Inc. MediaTek chipset MT6991
MediaTek, Inc. MediaTek chipset MT6993
MediaTek, Inc. MediaTek chipset MT8168
MediaTek, Inc. MediaTek chipset MT8186
MediaTek, Inc. MediaTek chipset MT8188
MediaTek, Inc. MediaTek chipset MT8189
MediaTek, Inc. MediaTek chipset MT8195
MediaTek, Inc. MediaTek chipset MT8196
MediaTek, Inc. MediaTek chipset MT8365
MediaTek, Inc. MediaTek chipset MT8367
MediaTek, Inc. MediaTek chipset MT8390
MediaTek, Inc. MediaTek chipset MT8391
MediaTek, Inc. MediaTek chipset MT8668
MediaTek, Inc. MediaTek chipset MT8678
MediaTek, Inc. MediaTek chipset MT8793

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-843 The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is a use-after-free issue in MediaTek chipsets where memory corruption can occur. It allows local privilege escalation if an attacker already has system privileges. Exploitation does not require user interaction.

Impact Analysis

If exploited, this vulnerability could allow an attacker with existing system access to further escalate privileges, potentially gaining control over the device. This could lead to unauthorized data access or system manipulation.

Mitigation Strategies

Apply the patch identified as ALPS11434319 to address the use-after-free vulnerability in the MediaTek chipset. Ensure the patch is applied to all affected systems to prevent local privilege escalation.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-20571. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart

Security Radar

News mentioning this vulnerability
Loading related security news...