CVE-2026-20502

HIGHCVSS 8.4/10EPSS 0.12%

Last modified

CVE-2026-20502 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. EPSS estimates a 0.12% chance of exploitation in the next 30 days.

Description

In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11262030; Issue ID: MSV-9196.

Metrics

EPSS Probability
0.12%

2.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MediatekMt2718 FirmwareAll versions
MediatekMt6580 FirmwareAll versions
MediatekMt6739 FirmwareAll versions
MediatekMt6761 FirmwareAll versions
MediatekMt6765 FirmwareAll versions
MediatekMt6768 FirmwareAll versions
MediatekMt6769 FirmwareAll versions
MediatekMt6779 FirmwareAll versions
MediatekMt6781 FirmwareAll versions
MediatekMt6785 FirmwareAll versions
MediatekMt6789 FirmwareAll versions
MediatekMt6833 FirmwareAll versions
MediatekMt6835 FirmwareAll versions
MediatekMt6853 FirmwareAll versions
MediatekMt6855 FirmwareAll versions
MediatekMt6858 FirmwareAll versions
MediatekMt6873 FirmwareAll versions
MediatekMt6877 FirmwareAll versions
MediatekMt6878 FirmwareAll versions
MediatekMt6879 FirmwareAll versions
MediatekMt6881 FirmwareAll versions
MediatekMt6883 FirmwareAll versions
MediatekMt6885 FirmwareAll versions
MediatekMt6886 FirmwareAll versions
MediatekMt6889 FirmwareAll versions
MediatekMt6893 FirmwareAll versions
MediatekMt6895 FirmwareAll versions
MediatekMt6897 FirmwareAll versions
MediatekMt6899 FirmwareAll versions
MediatekMt6983 FirmwareAll versions
MediatekMt6985 FirmwareAll versions
MediatekMt6989 FirmwareAll versions
MediatekMt6991 FirmwareAll versions
MediatekMt6993 FirmwareAll versions
MediatekMt8126 FirmwareAll versions
MediatekMt8171 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

Showing 50 of 53 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-20502?
In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11262030; Issue ID: MSV-9196.
How severe is CVE-2026-20502?
CVE-2026-20502 has a CVSS score of 8.4/10 (HIGH severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.
How do I fix CVE-2026-20502?
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