CVE-2026-0454
MEDIUMCVSS 4.6/10
Last modified
CVE-2026-0454 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. An out-of-bounds write in the AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to corrupt global firmware variables, potentially resulting in loss of integrity..
Description
An out-of-bounds write in the AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to corrupt global firmware variables, potentially resulting in loss of integrity.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| AMD | AMD EPYC™ 9005 Series Processors | All versions |
| AMD | AMD EPYC™ 8005 Series Processors | All versions |
| AMD | AMD EPYC™ Embedded 9005 Series Processors | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-0454?
An out-of-bounds write in the AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to corrupt global firmware variables, potentially resulting in loss of integrity.
How severe is CVE-2026-0454?
CVE-2026-0454 has a CVSS score of 4.6/10 (MEDIUM severity).
How do I fix CVE-2026-0454?
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
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-0454?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST