CVE-2026-6484: In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.
CVE-2026-6484 is a high-severity flaw (CVSS 8.2) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.2 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 70%) |
| CISA exploited list | No |
| Weakness | CWE-1277 |
| Published | 2026-08-12 |
| Last modified | 2026-10-23 |
Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Exact fixes by distribution
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-6484?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-6484 being exploited?
CVE-2026-6484 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-6484 affect?
CVE-2026-6484 affects affected software. Severity is high (CVSS 8.2). In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.
How urgent is CVE-2026-6484?
Priority 36/100. High severity