CVE-2026-20529

MEDIUMCVSS 6.7/10EPSS 0.11%

Last modified

CVE-2026-20529 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. In battery, there is a possible out of bounds write due to a missing bounds check. 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 battery, there is a possible out of bounds write due to a missing bounds check. 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: ALPS11276677; Issue ID: MSV-9217.

Metrics

EPSS Probability
0.11%

1.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MediatekMt6761 FirmwareAll versions
MediatekMt6765 FirmwareAll versions
MediatekMt6768 FirmwareAll versions
MediatekMt6781 FirmwareAll versions
MediatekMt6853 FirmwareAll versions
MediatekMt6858 FirmwareAll versions
MediatekMt6881 FirmwareAll versions
MediatekMt6893 FirmwareAll versions
MediatekMt6989 FirmwareAll versions
MediatekMt6991 FirmwareAll versions
MediatekMt6993 FirmwareAll versions
MediatekMt8171 FirmwareAll versions
MediatekMt8186 FirmwareAll versions
MediatekMt8188 FirmwareAll versions
MediatekMt8189 FirmwareAll versions
MediatekMt8196 FirmwareAll versions
MediatekMt8766 FirmwareAll versions
MediatekMt8768 FirmwareAll versions
MediatekMt8775 FirmwareAll versions
MediatekMt8781 FirmwareAll versions
MediatekMt8788e FirmwareAll versions
MediatekMt8791t FirmwareAll versions
MediatekMt8792 FirmwareAll versions
MediatekMt8796 FirmwareAll versions
MediatekMt8799 FirmwareAll versions
MediatekMt8883 FirmwareAll versions
MediatekMt8893 FirmwareAll versions
MediatekMt8910 FirmwareAll versions

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-20529?
In battery, there is a possible out of bounds write due to a missing bounds check. 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: ALPS11276677; Issue ID: MSV-9217.
How severe is CVE-2026-20529?
CVE-2026-20529 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-2026-20529?
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