CVE-2026-20483
High
Description
In Telephony, there is a possible escalation of privilege due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11087526; Issue ID: MSV-8243.
SeverityHigh
CVSS7.7
Exploit probability—
ProductMediatek Mt8893 Firmware
PublishedAug 3, 2026
First seenAug 3, 2026
Weakness typeCWE-862Missing authorization
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mediatek mt8893_firmware | No range specified | — |
| 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 mt6833_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 mt6983_firmware | No range specified | — |
| mediatek mt6985_firmware | No range specified | — |
| mediatek mt6989_firmware | No range specified | — |
| mediatek mt6991_firmware | No range specified | — |
| mediatek mt6993_firmware | No range specified | — |
| mediatek mt8766_firmware | No range specified | — |
| mediatek mt8766r_firmware | No range specified | — |
| mediatek mt8768_firmware | No range specified | — |
| mediatek mt8775_firmware | No range specified | — |
| mediatek mt8781_firmware | No range specified | — |
| mediatek mt8792_firmware | No range specified | — |
| mediatek mt8796_firmware | No range specified | — |
| mediatek mt8873_firmware | No range specified | — |
| mediatek mt8883_firmware | No range specified | — |
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