CVE-2026-20581

Published Nov 2, 2026 CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Description
In usb, 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: ALPS11411985; Issue ID: MSV-9750.

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 mt6858
Mediatek mt6858 Firmware
Mediatek mt6881
Mediatek mt6881 Firmware
Mediatek mt6993
Mediatek mt6993 Firmware
Mediatek mt8188
Mediatek mt8188 Firmware
Mediatek mt8189
Mediatek mt8189 Firmware
Mediatek mt8518s
Mediatek mt8518s Firmware
Mediatek mt8532
Mediatek mt8532 Firmware
Mediatek mt8668
Mediatek mt8668 Firmware
CPEs cpe:2.3:h:mediatek:mt6858:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6881:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6993:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8189:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8518s:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8532:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8668:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6858_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6881_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6993_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8188_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8189_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8518s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8532_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8668_firmware:-:*:*:*:*:*:*:*
Vendors & Products Mediatek mt6858
Mediatek mt6858 Firmware
Mediatek mt6881
Mediatek mt6881 Firmware
Mediatek mt6993
Mediatek mt6993 Firmware
Mediatek mt8188
Mediatek mt8188 Firmware
Mediatek mt8189
Mediatek mt8189 Firmware
Mediatek mt8518s
Mediatek mt8518s Firmware
Mediatek mt8532
Mediatek mt8532 Firmware
Mediatek mt8668
Mediatek mt8668 Firmware
Type Values Removed Values Added
Title Possible Memory Corruption in USB Driver Leading to 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
Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Vendors & Products Mediatek
Mediatek mediatek Chipset
Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Type Values Removed Values Added
Title Possible Memory Corruption in USB Driver Leading to Local Privilege Escalation
Type Values Removed Values Added
Description In usb, 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: ALPS11411985; Issue ID: MSV-9750.
Weaknesses CWE-416
References