In display, 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: ALPS11019722; Issue ID: MSV-7759.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Mediatek
  • Mt6991
  • Mt6991 Firmware
  • Mt6993
  • Mt6993 Firmware
  • Mt8126
  • Mt8126 Firmware
  • Mt8171
  • Mt8171 Firmware
  • Mt8188
  • Mt8188 Firmware
  • Mt8189
  • Mt8189 Firmware
  • Mt8367
  • Mt8367 Firmware
  • Mt8668
  • Mt8668 Firmware
  • Mt8676
  • Mt8676 Firmware
  • Mt8678
  • Mt8678 Firmware
  • Mt8766
  • Mt8766 Firmware
  • Mt8768
  • Mt8768 Firmware
  • Mt8781
  • Mt8781 Firmware
  • Mt8786
  • Mt8786 Firmware
  • Mt8791t
  • Mt8791t Firmware
  • Mt8799
  • Mt8799 Firmware
  • Mt8910
  • Mt8910 Firmware
Mediatek, Inc.
  • Mediatek Chipset

Configuration 1 [-]

AND
cpe:2.3:o:mediatek:mt6991_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND
cpe:2.3:o:mediatek:mt8910_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8910:-:*:*:*:*:*:*:*

Configuration 3 [-]

AND
cpe:2.3:o:mediatek:mt6993_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6993:-:*:*:*:*:*:*:*

Configuration 4 [-]

AND
cpe:2.3:o:mediatek:mt8126_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8126:-:*:*:*:*:*:*:*

Configuration 5 [-]

AND
cpe:2.3:o:mediatek:mt8171_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8171:-:*:*:*:*:*:*:*

Configuration 6 [-]

AND
cpe:2.3:o:mediatek:mt8188_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:*

Configuration 7 [-]

AND
cpe:2.3:o:mediatek:mt8189_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8189:-:*:*:*:*:*:*:*

Configuration 8 [-]

AND
cpe:2.3:o:mediatek:mt8367_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8367:-:*:*:*:*:*:*:*

Configuration 9 [-]

AND
cpe:2.3:o:mediatek:mt8668_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8668:-:*:*:*:*:*:*:*

Configuration 10 [-]

AND
cpe:2.3:o:mediatek:mt8676_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:*

Configuration 11 [-]

AND
cpe:2.3:o:mediatek:mt8678_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*

Configuration 12 [-]

AND
cpe:2.3:o:mediatek:mt8766_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8766:-:*:*:*:*:*:*:*

Configuration 13 [-]

AND
cpe:2.3:o:mediatek:mt8768_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8768:-:*:*:*:*:*:*:*

Configuration 14 [-]

AND
cpe:2.3:o:mediatek:mt8781_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:*

Configuration 15 [-]

AND
cpe:2.3:o:mediatek:mt8786_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8786:-:*:*:*:*:*:*:*

Configuration 16 [-]

AND
cpe:2.3:o:mediatek:mt8791t_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8791t:-:*:*:*:*:*:*:*

Configuration 17 [-]

AND
cpe:2.3:o:mediatek:mt8799_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8799:-:*:*:*:*:*:*:*

No data.

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

Wed, 19 Aug 2026 01:15:00 +0000

Type Values Removed Values Added
First Time appeared Mediatek
Mediatek mt6991
Mediatek mt6991 Firmware
Mediatek mt6993
Mediatek mt6993 Firmware
Mediatek mt8126
Mediatek mt8126 Firmware
Mediatek mt8171
Mediatek mt8171 Firmware
Mediatek mt8188
Mediatek mt8188 Firmware
Mediatek mt8189
Mediatek mt8189 Firmware
Mediatek mt8367
Mediatek mt8367 Firmware
Mediatek mt8668
Mediatek mt8668 Firmware
Mediatek mt8676
Mediatek mt8676 Firmware
Mediatek mt8678
Mediatek mt8678 Firmware
Mediatek mt8766
Mediatek mt8766 Firmware
Mediatek mt8768
Mediatek mt8768 Firmware
Mediatek mt8781
Mediatek mt8781 Firmware
Mediatek mt8786
Mediatek mt8786 Firmware
Mediatek mt8791t
Mediatek mt8791t Firmware
Mediatek mt8799
Mediatek mt8799 Firmware
Mediatek mt8910
Mediatek mt8910 Firmware
CPEs cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6993:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8126:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8171:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8189:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8367:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8668:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8766:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8768:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8786:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8791t:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8799:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8910:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6991_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6993_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8126_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8171_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8188_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8189_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8367_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8668_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8676_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8678_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8766_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8768_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8781_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8786_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8791t_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8799_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8910_firmware:-:*:*:*:*:*:*:*
Vendors & Products Mediatek
Mediatek mt6991
Mediatek mt6991 Firmware
Mediatek mt6993
Mediatek mt6993 Firmware
Mediatek mt8126
Mediatek mt8126 Firmware
Mediatek mt8171
Mediatek mt8171 Firmware
Mediatek mt8188
Mediatek mt8188 Firmware
Mediatek mt8189
Mediatek mt8189 Firmware
Mediatek mt8367
Mediatek mt8367 Firmware
Mediatek mt8668
Mediatek mt8668 Firmware
Mediatek mt8676
Mediatek mt8676 Firmware
Mediatek mt8678
Mediatek mt8678 Firmware
Mediatek mt8766
Mediatek mt8766 Firmware
Mediatek mt8768
Mediatek mt8768 Firmware
Mediatek mt8781
Mediatek mt8781 Firmware
Mediatek mt8786
Mediatek mt8786 Firmware
Mediatek mt8791t
Mediatek mt8791t Firmware
Mediatek mt8799
Mediatek mt8799 Firmware
Mediatek mt8910
Mediatek mt8910 Firmware

Tue, 04 Aug 2026 11:15:00 +0000

Type Values Removed Values Added
Title Display Memory Corruption in MediaTek Chipsets Leading to Local Privilege Escalation

Mon, 03 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N'}

ssvc

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

Mon, 03 Aug 2026 05:15:00 +0000

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

Mon, 03 Aug 2026 02:45:00 +0000

Type Values Removed Values Added
Description In display, 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: ALPS11019722; Issue ID: MSV-7759.
Weaknesses CWE-416
References
cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published: 2026-08-03T02:05:26.998Z

Updated: 2026-08-05T03:56:45.233Z

Reserved: 2025-11-03T01:30:59.016Z

Link: CVE-2026-20473

cve-icon Vulnrichment

Updated: 2026-08-03T19:37:19.465Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-03T03:16:42.290

Modified: 2026-08-19T01:04:14.583

Link: CVE-2026-20473

cve-icon Redhat

No data.