CVE-2026-20489
Medium
Description
In display, there is a possible information disclosure due to an integer overflow. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11004274; Issue ID: MSV-7749.
SeverityMedium
CVSS4.4
Exploit probability—
ProductMediatek Mt6991 Firmware
PublishedAug 3, 2026
First seenAug 3, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mediatek mt6991_firmware | No range specified | — |
| mediatek mt6993_firmware | No range specified | — |
| mediatek mt8126_firmware | No range specified | — |
| mediatek mt8171_firmware | No range specified | — |
| mediatek mt8188_firmware | No range specified | — |
| mediatek mt8189_firmware | No range specified | — |
| mediatek mt8367_firmware | No range specified | — |
| mediatek mt8668_firmware | No range specified | — |
| mediatek mt8676_firmware | No range specified | — |
| mediatek mt8678_firmware | No range specified | — |
| mediatek mt8766_firmware | No range specified | — |
| mediatek mt8768_firmware | No range specified | — |
| mediatek mt8781_firmware | No range specified | — |
| mediatek mt8786_firmware | No range specified | — |
| mediatek mt8791t_firmware | No range specified | — |
| mediatek mt8799_firmware | No range specified | — |
| mediatek mt8910_firmware | No range specified | — |
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