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High 7.7Published Aug 2, 2026

CVE-2026-20483In Telephony, there is a possible escalation of privilege due to a missing permission check.

Updated under an hour ago ()

Does this affect you?

It affects MediaTek, Inc. MediaTek chipset and 35 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
7.7 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness (CWE)
CWE-862
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
MediaTek
NVD analysis
Analyzed
Record last updated
Aug 4, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
MediaTek, Inc. MediaTek chipset
mediatek:chipset (from the name)
MT6739; MT6761; MT6765; MT6768; MT6781; MT6789; MT6833; MT6835; and 27 more ranges
CNA record
mediatek mt8893_firmware
mediatek:mt8893_firmware
all versions
NVD
mediatek mt6739_firmware
mediatek:mt6739_firmware
all versions
NVD
mediatek mt6761_firmware
mediatek:mt6761_firmware
all versions
NVD
mediatek mt6765_firmware
mediatek:mt6765_firmware
all versions
NVD
mediatek mt6768_firmware
mediatek:mt6768_firmware
all versions
NVD
mediatek mt6781_firmware
mediatek:mt6781_firmware
all versions
NVD
mediatek mt6789_firmware
mediatek:mt6789_firmware
all versions
NVD
mediatek mt6833_firmware
mediatek:mt6833_firmware
all versions
NVD
mediatek mt6835_firmware
mediatek:mt6835_firmware
all versions
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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