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High CVSS 8.2

CVE-2026-6484

NVD analysis in progress

In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.

What this means

Exposure
Exploitable with local access to the machine, with a privileged account and with no action from the victim.
Impact
An attacker can read sensitive data, modify or destroy data and take the service offline. The impact spreads beyond the vulnerable component into other parts of the system.
Likelihood
Its EPSS score stays low: nothing points to imminent exploitation, which is no reason to leave it unpatched.

What to doFold into the next patch cycle.

Read automatically from the CVSS vector, the weakness type (CWE) and the EPSS score. The technical description above remains the one published by NIST.

Published
12 August 2026
CVSS
8.2 (v3.1) CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS
0.14% probability of exploitation within 30 days · above 4% of all CVEs
Weakness
CWE-1277
Sources
nvd
References

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