CVE-2026-20455
High
Description
In geniezone, 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: ALPS10873936; Issue ID: MSV-6784.
SeverityHigh
CVSS7.8
Exploit probability—
ProductMediatek Mt6739 Firmware
PublishedJun 1, 2026
First seenJun 1, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mediatek mt6739_firmware | No range specified | — |
| mediatek mt6761_firmware | No range specified | — |
| mediatek mt6765_firmware | No range specified | — |
| mediatek mt6768_firmware | No range specified | — |
| mediatek mt6781_firmware | No range specified | — |
| mediatek mt6789_firmware | No range specified | — |
| mediatek mt6835_firmware | No range specified | — |
| mediatek mt6853_firmware | No range specified | — |
| mediatek mt6855_firmware | No range specified | — |
| mediatek mt6877_firmware | No range specified | — |
| mediatek mt6878_firmware | No range specified | — |
| mediatek mt6879_firmware | No range specified | — |
| mediatek mt6883_firmware | No range specified | — |
| mediatek mt6885_firmware | No range specified | — |
| mediatek mt6886_firmware | No range specified | — |
| mediatek mt6889_firmware | No range specified | — |
| mediatek mt6893_firmware | No range specified | — |
| mediatek mt6895_firmware | No range specified | — |
| mediatek mt6897_firmware | No range specified | — |
| mediatek mt6899_firmware | No range specified | — |
| mediatek mt6983_firmware | No range specified | — |
| mediatek mt6985_firmware | No range specified | — |
| mediatek mt6989_firmware | No range specified | — |
| mediatek mt6991_firmware | No range specified | — |
| mediatek mt8673_firmware | No range specified | — |
| mediatek mt8765_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 mt8788_firmware | No range specified | — |
| mediatek mt8791t_firmware | No range specified | — |
| mediatek mt8793_firmware | No range specified | — |
| mediatek mt8797_firmware | No range specified | — |
| mediatek mt8798_firmware | No range specified | — |
| mediatek mt8910_firmware | No range specified | — |
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