CVE-2021-33089

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-11-17 · updated 2026-06-17

Description

Improper access control in the software installer for the Intel(R) NUC HDMI Firmware Update Tool for NUC8i3BE, NUC8i5BE, NUC8i7BE before version 1.78.4.0.4 may allow an authenticated user to potentially enable escalation of privilege via local access.

Affected products

Intel(R) HDMI Firmware Update Tool for NUC: before 1.78.4.0.4 — fixed in 1.78.4.0.4

How to fix

Upgrade to a fixed version: Intel(R) HDMI Firmware Update Tool for NUC 1.78.4.0.4. Check the vendor advisory for mitigations.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00568.html
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00568.html

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