CVE-2026-20451

Published May 4, 2026 CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Description
In slbc, there is a possible out of bounds write due to type confusion. 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: ALPS10828685; Issue ID: MSV-6504.

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
Mediatek mt2718
Mediatek mt2718 Firmware
Mediatek mt6899
Mediatek mt6899 Firmware
Mediatek mt6985
Mediatek mt6985 Firmware
Mediatek mt6989
Mediatek mt6989 Firmware
Mediatek mt6991
Mediatek mt6991 Firmware
Mediatek mt8115
Mediatek mt8115 Firmware
Mediatek mt8186
Mediatek mt8186 Firmware
Mediatek mt8188
Mediatek mt8188 Firmware
Mediatek mt8196
Mediatek mt8196 Firmware
Mediatek mt8365
Mediatek mt8365 Firmware
Mediatek mt8367
Mediatek mt8367 Firmware
Mediatek mt8370
Mediatek mt8370 Firmware
Mediatek mt8371
Mediatek mt8371 Firmware
Mediatek mt8390
Mediatek mt8390 Firmware
Mediatek mt8391
Mediatek mt8391 Firmware
Mediatek mt8395
Mediatek mt8395 Firmware
Mediatek mt8676
Mediatek mt8676 Firmware
Mediatek mt8678
Mediatek mt8678 Firmware
Mediatek mt8766
Mediatek mt8766 Firmware
Mediatek mt8768
Mediatek mt8768 Firmware
Mediatek mt8775
Mediatek mt8775 Firmware
Mediatek mt8781
Mediatek mt8781 Firmware
Mediatek mt8786
Mediatek mt8786 Firmware
Mediatek mt8788e
Mediatek mt8788e Firmware
Mediatek mt8791t
Mediatek mt8791t Firmware
Mediatek mt8792
Mediatek mt8792 Firmware
Mediatek mt8793
Mediatek mt8793 Firmware
Mediatek mt8796
Mediatek mt8796 Firmware
Mediatek mt8873
Mediatek mt8873 Firmware
Mediatek mt8883
Mediatek mt8883 Firmware
Mediatek mt8893
Mediatek mt8893 Firmware
Mediatek mt8910
Mediatek mt8910 Firmware
CPEs cpe:2.3:h:mediatek:mt2718:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8115:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8186:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8196:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8365:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8367:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8370:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8371:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8390:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8391:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8395:-:*:*:*:*:*:*:*
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:mt8775:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8786:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8788e:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8791t:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8796:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8873:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8883:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8893:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8910:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt2718_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6899_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:mt8115_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8186_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8188_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8196_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8365_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8367_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8370_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8371_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8390_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8391_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8395_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:mt8775_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8781_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8786_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8788e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8791t_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8792_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8793_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8796_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8873_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8883_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8893_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8910_firmware:-:*:*:*:*:*:*:*
Vendors & Products Mediatek
Mediatek mt2718
Mediatek mt2718 Firmware
Mediatek mt6899
Mediatek mt6899 Firmware
Mediatek mt6985
Mediatek mt6985 Firmware
Mediatek mt6989
Mediatek mt6989 Firmware
Mediatek mt6991
Mediatek mt6991 Firmware
Mediatek mt8115
Mediatek mt8115 Firmware
Mediatek mt8186
Mediatek mt8186 Firmware
Mediatek mt8188
Mediatek mt8188 Firmware
Mediatek mt8196
Mediatek mt8196 Firmware
Mediatek mt8365
Mediatek mt8365 Firmware
Mediatek mt8367
Mediatek mt8367 Firmware
Mediatek mt8370
Mediatek mt8370 Firmware
Mediatek mt8371
Mediatek mt8371 Firmware
Mediatek mt8390
Mediatek mt8390 Firmware
Mediatek mt8391
Mediatek mt8391 Firmware
Mediatek mt8395
Mediatek mt8395 Firmware
Mediatek mt8676
Mediatek mt8676 Firmware
Mediatek mt8678
Mediatek mt8678 Firmware
Mediatek mt8766
Mediatek mt8766 Firmware
Mediatek mt8768
Mediatek mt8768 Firmware
Mediatek mt8775
Mediatek mt8775 Firmware
Mediatek mt8781
Mediatek mt8781 Firmware
Mediatek mt8786
Mediatek mt8786 Firmware
Mediatek mt8788e
Mediatek mt8788e Firmware
Mediatek mt8791t
Mediatek mt8791t Firmware
Mediatek mt8792
Mediatek mt8792 Firmware
Mediatek mt8793
Mediatek mt8793 Firmware
Mediatek mt8796
Mediatek mt8796 Firmware
Mediatek mt8873
Mediatek mt8873 Firmware
Mediatek mt8883
Mediatek mt8883 Firmware
Mediatek mt8893
Mediatek mt8893 Firmware
Mediatek mt8910
Mediatek mt8910 Firmware
Type Values Removed Values Added
Title Out‑of‑Bounds Write in slbc Allowing 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
Title Out‑of‑Bounds Write in slbc Allowing Local Privilege Escalation
First Time appeared Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Vendors & Products Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Type Values Removed Values Added
Description In slbc, there is a possible out of bounds write due to type confusion. 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: ALPS10828685; Issue ID: MSV-6504.
Weaknesses CWE-843
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
MediaTek
Published
Updated
May 5, 2026, 3:56 AM
Reserved
Nov 3, 2025, 1:30 AM
Status
Analyzed
Published
May 4, 2026, 7:15 AM
Modified
Oct 26, 2026, 7:10 PM