In aidl, 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: ALPS11242428; Issue ID: MSV-9038.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00109.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
MediaTek, Inc. MediaTek chipset unaffected
Version Status Constraints
MT6878 affected —
MT6881 affected —
MT6899 affected —
MT6989 affected —
MT6991 affected —
MT6993 affected —
MT8188 affected —
MT8189 affected —
MT8668 affected —
MT8695 affected —
MT8696 affected —
MT8781 affected —
MT8910 affected —

No data.

No data.

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Vendors Products
Mediatek, Inc. Subscribe
Mediatek Chipset Subscribe

Project Subscriptions

Vendors Products
Mediatek, Inc. Subscribe
Mediatek Chipset Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.mediatek.com/product-security-bulletin/October-2026 cve-icon cve-icon
History

Mon, 05 Oct 2026 13:00:00 +0000

Type Values Removed Values Added
Title Use-After-Free in MediaTek AIDL Code Enabling Local Privilege Escalation

Mon, 05 Oct 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Mon, 05 Oct 2026 04:45:00 +0000

Type Values Removed Values Added
First Time appeared Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Vendors & Products Mediatek, Inc.
Mediatek, Inc. mediatek Chipset

Mon, 05 Oct 2026 04:15:00 +0000

Type Values Removed Values Added
Title Use-After-Free in MediaTek AIDL Code Enabling Local Privilege Escalation

Mon, 05 Oct 2026 02:15:00 +0000

Type Values Removed Values Added
Description In aidl, 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: ALPS11242428; Issue ID: MSV-9038.
Weaknesses CWE-416
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published:

Updated: 2026-10-05T10:53:46.339Z

Reserved: 2025-11-03T01:30:59.036Z

Link: CVE-2026-20536

cve-icon Vulnrichment

Updated: 2026-10-05T10:25:04.069Z

cve-icon NVD

Status : Received

Published: 2026-10-05T02:16:52.507

Modified: 2026-10-05T11:16:51.257

Link: CVE-2026-20536

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-05T12:45:19Z

Weaknesses