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CVE-2026-80933

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: validate default EEPROM firmware size The default EEPROM firmware is parsed and copied as a full EEPROM wit…

Published Sep 11, 2026EPSS 0.13%

Overview

CVE-2026-80933 is a high-severity vulnerability. It was published on September 11, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

wifi: mt76: mt7996: validate default EEPROM firmware size

The default EEPROM firmware is parsed and copied as a full EEPROM

without checking its length. A truncated file can make the driver

read beyond the firmware buffer during variant validation or the

fallback copy.

Reject files shorter than MT7996_EEPROM_SIZE before parsing or

copying the firmware.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/03b81f015dbb29807ce1ec6d45537d658abdac69Refgit.kernel.org/stable/c/127a291f4c8069a4e71906938402cacfe24ee8cdRefgit.kernel.org/stable/c/653c6e289b13cc6942f3e8f8e3c568e70fa42d1fRefgit.kernel.org/stable/c/7074ec3769820302f1ccf8794a40a6582153b820Refgit.kernel.org/stable/c/b4bf67cc0871b13103c404b38e332b9d4403a0da

How CyberStrike helps

Frequently asked questions

What is CVE-2026-80933?

CVE-2026-80933 is a high-severity vulnerability. It was published on September 11, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2026-80933?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-80933?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-80933?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-80933 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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