CVE-2026-20533

Integer Overflow in MediaTek Display Code Enables Local Privilege Escalation

Published Oct 5, 2026 CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Mediatek mt6739
Mediatek mt6739 Firmware
Mediatek mt6761
Mediatek mt6761 Firmware
Mediatek mt6765
Mediatek mt6765 Firmware
Mediatek mt6768
Mediatek mt6768 Firmware
Mediatek mt6781
Mediatek mt6781 Firmware
Mediatek mt6789
Mediatek mt6789 Firmware
Mediatek mt6833
Mediatek mt6833 Firmware
Mediatek mt6835
Mediatek mt6835 Firmware
Mediatek mt6853
Mediatek mt6853 Firmware
Mediatek mt6855
Mediatek mt6855 Firmware
Mediatek mt6858
Mediatek mt6858 Firmware
Mediatek mt6877
Mediatek mt6877 Firmware
Mediatek mt6878
Mediatek mt6878 Firmware
Mediatek mt6879
Mediatek mt6879 Firmware
Mediatek mt6883
Mediatek mt6883 Firmware
Mediatek mt6885
Mediatek mt6885 Firmware
Mediatek mt6886
Mediatek mt6886 Firmware
Mediatek mt6889
Mediatek mt6889 Firmware
Mediatek mt6893
Mediatek mt6893 Firmware
Mediatek mt6895
Mediatek mt6895 Firmware
Mediatek mt6897
Mediatek mt6897 Firmware
Mediatek mt6899
Mediatek mt6899 Firmware
Mediatek mt6983
Mediatek mt6983 Firmware
Mediatek mt6985
Mediatek mt6985 Firmware
Mediatek mt6989
Mediatek mt6989 Firmware
Mediatek mt6991
Mediatek mt6991 Firmware
Mediatek mt6993
Mediatek mt6993 Firmware
Mediatek mt8171
Mediatek mt8171 Firmware
Mediatek mt8188
Mediatek mt8188 Firmware
Mediatek mt8668
Mediatek mt8668 Firmware
Mediatek mt8676
Mediatek mt8676 Firmware
Mediatek mt8678
Mediatek mt8678 Firmware
Mediatek mt8793
Mediatek mt8793 Firmware
CPEs cpe:2.3:h:mediatek:mt6739:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6761:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6765:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6768:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6789:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6833:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6835:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6855:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6858:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6878:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6883:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6889:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6897:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6993:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8171:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8668:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6739_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6761_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6765_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6768_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6781_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6789_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6833_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6835_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6853_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6855_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6858_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6877_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6878_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6879_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6883_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6885_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6886_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6889_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6893_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6895_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6897_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6899_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6983_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6985_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6989_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6991_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6993_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8171_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8188_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:mt8793_firmware:-:*:*:*:*:*:*:*
Vendors & Products Mediatek mt6739
Mediatek mt6739 Firmware
Mediatek mt6761
Mediatek mt6761 Firmware
Mediatek mt6765
Mediatek mt6765 Firmware
Mediatek mt6768
Mediatek mt6768 Firmware
Mediatek mt6781
Mediatek mt6781 Firmware
Mediatek mt6789
Mediatek mt6789 Firmware
Mediatek mt6833
Mediatek mt6833 Firmware
Mediatek mt6835
Mediatek mt6835 Firmware
Mediatek mt6853
Mediatek mt6853 Firmware
Mediatek mt6855
Mediatek mt6855 Firmware
Mediatek mt6858
Mediatek mt6858 Firmware
Mediatek mt6877
Mediatek mt6877 Firmware
Mediatek mt6878
Mediatek mt6878 Firmware
Mediatek mt6879
Mediatek mt6879 Firmware
Mediatek mt6883
Mediatek mt6883 Firmware
Mediatek mt6885
Mediatek mt6885 Firmware
Mediatek mt6886
Mediatek mt6886 Firmware
Mediatek mt6889
Mediatek mt6889 Firmware
Mediatek mt6893
Mediatek mt6893 Firmware
Mediatek mt6895
Mediatek mt6895 Firmware
Mediatek mt6897
Mediatek mt6897 Firmware
Mediatek mt6899
Mediatek mt6899 Firmware
Mediatek mt6983
Mediatek mt6983 Firmware
Mediatek mt6985
Mediatek mt6985 Firmware
Mediatek mt6989
Mediatek mt6989 Firmware
Mediatek mt6991
Mediatek mt6991 Firmware
Mediatek mt6993
Mediatek mt6993 Firmware
Mediatek mt8171
Mediatek mt8171 Firmware
Mediatek mt8188
Mediatek mt8188 Firmware
Mediatek mt8668
Mediatek mt8668 Firmware
Mediatek mt8676
Mediatek mt8676 Firmware
Mediatek mt8678
Mediatek mt8678 Firmware
Mediatek mt8793
Mediatek mt8793 Firmware
Type Values Removed Values Added
Title Integer Overflow in MediaTek Display Code Enables Local Privilege Escalation
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'}

Type Values Removed Values Added
First Time appeared Mediatek
Mediatek mediatek Chipset
Vendors & Products Mediatek
Mediatek mediatek Chipset
Type Values Removed Values 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.
Weaknesses CWE-190
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
MediaTek
Published
Updated
Oct 6, 2026, 3:55 AM
Reserved
Nov 3, 2025, 1:30 AM
Status
Analyzed
Published
Oct 5, 2026, 2:16 AM
Modified
Oct 9, 2026, 2:37 PM