CVE-2026-20483

HIGHCVSS 7.7/10EPSS 0.13%

Last modified

CVE-2026-20483 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. 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. EPSS estimates a 0.13% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.13%

2.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MediatekMt8893 FirmwareAll versions
MediatekMt6739 FirmwareAll versions
MediatekMt6761 FirmwareAll versions
MediatekMt6765 FirmwareAll versions
MediatekMt6768 FirmwareAll versions
MediatekMt6781 FirmwareAll versions
MediatekMt6789 FirmwareAll versions
MediatekMt6833 FirmwareAll versions
MediatekMt6835 FirmwareAll versions
MediatekMt6853 FirmwareAll versions
MediatekMt6855 FirmwareAll versions
MediatekMt6877 FirmwareAll versions
MediatekMt6878 FirmwareAll versions
MediatekMt6879 FirmwareAll versions
MediatekMt6883 FirmwareAll versions
MediatekMt6885 FirmwareAll versions
MediatekMt6886 FirmwareAll versions
MediatekMt6889 FirmwareAll versions
MediatekMt6893 FirmwareAll versions
MediatekMt6895 FirmwareAll versions
MediatekMt6897 FirmwareAll versions
MediatekMt6983 FirmwareAll versions
MediatekMt6985 FirmwareAll versions
MediatekMt6989 FirmwareAll versions
MediatekMt6991 FirmwareAll versions
MediatekMt6993 FirmwareAll versions
MediatekMt8766 FirmwareAll versions
MediatekMt8766r FirmwareAll versions
MediatekMt8768 FirmwareAll versions
MediatekMt8775 FirmwareAll versions
MediatekMt8781 FirmwareAll versions
MediatekMt8792 FirmwareAll versions
MediatekMt8796 FirmwareAll versions
MediatekMt8873 FirmwareAll versions
MediatekMt8883 FirmwareAll versions

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-20483?
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.
How severe is CVE-2026-20483?
CVE-2026-20483 has a CVSS score of 7.7/10 (HIGH severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.
How do I fix CVE-2026-20483?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2026

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Source: NVD / NIST