CVE-2026-28249

Published Nov 10, 2026 CWE-1250

Description

Improper preservation of consistency between independent representations of shared state in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to potentially affect cache coherency for guest context pages resulting in loss of integrity.

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Weakness Type (CWE)

CWE-1250 CWE-1250

References

Frequently Asked Questions

What is CVE-2026-28249? +
Improper preservation of consistency between independent representations of shared state in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to potentially affect cache coherency for guest context pages resulting in loss of integrity.
How do I check if I'm vulnerable to CVE-2026-28249? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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