CVE-2026-20579

MEDIUMCVSS 6.7/10EPSS 0.11%

Last modified

CVE-2026-20579 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. In vdec, there is a possible out of bounds write due to type confusion. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

Description

In vdec, there is a possible out of bounds write due to type confusion. 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: ALPS11383899; Issue ID: MSV-9800.

Metrics

EPSS Probability
0.11%

1.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MediatekMt2718 FirmwareAll versions
MediatekMt6768 FirmwareAll versions
MediatekMt6769 FirmwareAll versions
MediatekMt6789 FirmwareAll versions
MediatekMt6833 FirmwareAll versions
MediatekMt6855 FirmwareAll versions
MediatekMt6877 FirmwareAll versions
MediatekMt8186 FirmwareAll versions
MediatekMt8188 FirmwareAll versions
MediatekMt8189 FirmwareAll versions
MediatekMt8195 FirmwareAll versions
MediatekMt8196 FirmwareAll versions
MediatekMt8367 FirmwareAll versions
MediatekMt8391 FirmwareAll versions
MediatekMt8395 FirmwareAll versions
MediatekMt8668 FirmwareAll versions
MediatekMt8676 FirmwareAll versions
MediatekMt8678 FirmwareAll versions
MediatekMt8696 FirmwareAll versions
MediatekMt8781 FirmwareAll versions
MediatekMt8788e FirmwareAll versions
MediatekMt8792 FirmwareAll versions
MediatekMt8793 FirmwareAll versions
MediatekMt8799 FirmwareAll versions
MediatekMt8910 FirmwareAll versions

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-20579?
In vdec, there is a possible out of bounds write due to type confusion. 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: ALPS11383899; Issue ID: MSV-9800.
How severe is CVE-2026-20579?
CVE-2026-20579 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.
How do I fix CVE-2026-20579?
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

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Source: NVD / NIST