CVE-2026-20509
Medium
Description
In Power HAL, there is a possible out of bounds write due to a missing bounds check. 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: ALPS11165543; Issue ID: MSV-9011.
SeverityMedium
CVSS6.7
Exploit probability—
ProductMediaTek chipset
PublishedSep 7, 2026
First seenSep 7, 2026
Weakness typeCWE-121CWE-121
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| MediaTek, Inc. MediaTek chipset | MT2718, MT6739, MT6761, MT6765, MT6768, MT6769, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6858, MT6877, MT6878, MT6879, MT6881, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT6993, MT8171, MT8186, MT8188, MT8189, MT8196, MT8668, MT8676, MT8678, MT8696, MT8793 | — |
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