Description
In apu, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11249016; Issue ID: MSV-9169.
Published: 2026-10-05
Score: 8.4 High
EPSS: < 1% Very Low
KEV: No
Impact: Local Privilege Escalation
Action: Apply Patch
AI Analysis

Impact

A use‑after‑free bug in the MediaTek apu component can corrupt memory, allowing a local attacker to gain elevated privileges without needing to execute arbitrary code. The flaw does not require user interaction, and the attacker does not acquire additional execution privileges beyond those of the compromised process.

Affected Systems

The vulnerability affects MediaTek, Inc. chipsets; specific firmware or product versions are not disclosed.

Risk and Exploitability

Because the weakness can be triggered by a local user, exploitation is straightforward once the attacker can run code on the device. No public exploit or proof‑of‑concept code is known, and the EPSS score is not available, so the likelihood of exploitation remains uncertain. However, the CVE is not listed in the CISA KEV catalog, and the CVSS score of 8.4 indicates high severity.

Generated by OpenCVE AI on October 5, 2026 at 12:43 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply the official MediaTek patch with ID ALPS11249016 from the vendor’s firmware update channel
  • Restart the device to ensure the new firmware takes effect
  • Verify the firmware’s digital signature against the vendor’s approved key to confirm authenticity

Generated by OpenCVE AI on October 5, 2026 at 12:43 UTC.

Tracking

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Advisories

No advisories yet.

History

Fri, 09 Oct 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Mediatek
Mediatek mt6899
Mediatek mt6899 Firmware
Mediatek mt6993
Mediatek mt6993 Firmware
Mediatek mt8668
Mediatek mt8668 Firmware
Mediatek mt8781
Mediatek mt8781 Firmware
Mediatek mt8793
Mediatek mt8793 Firmware
Mediatek mt8910
Mediatek mt8910 Firmware
CPEs cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6993:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8668:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8910:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6899_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6993_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8668_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8781_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8793_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8910_firmware:-:*:*:*:*:*:*:*
Vendors & Products Mediatek
Mediatek mt6899
Mediatek mt6899 Firmware
Mediatek mt6993
Mediatek mt6993 Firmware
Mediatek mt8668
Mediatek mt8668 Firmware
Mediatek mt8781
Mediatek mt8781 Firmware
Mediatek mt8793
Mediatek mt8793 Firmware
Mediatek mt8910
Mediatek mt8910 Firmware

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

Type Values Removed Values Added
Title Use-After-Free Leading to Local Privilege Escalation in MediaTek Chipset

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

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/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 04:15:00 +0000

Type Values Removed Values Added
Title Use-After-Free Leading to Local Privilege Escalation in MediaTek Chipset
First Time appeared Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Vendors & Products Mediatek, Inc.
Mediatek, Inc. mediatek Chipset

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

Type Values Removed Values Added
Description In apu, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11249016; Issue ID: MSV-9169.
Weaknesses CWE-416
References

Subscriptions

Mediatek Mt6899 Mt6899 Firmware Mt6993 Mt6993 Firmware Mt8668 Mt8668 Firmware Mt8781 Mt8781 Firmware Mt8793 Mt8793 Firmware Mt8910 Mt8910 Firmware
Mediatek, Inc. Mediatek Chipset
cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published:

Updated: 2026-10-06T03:55:50.934Z

Reserved: 2025-11-03T01:30:59.034Z

Link: CVE-2026-20531

cve-icon Vulnrichment

Updated: 2026-10-05T10:39:11.026Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-05T02:16:51.907

Modified: 2026-10-09T14:50:56.130

Link: CVE-2026-20531

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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

Weaknesses