CVE-2026-28248
AMD Secure Encrypted Virtualization Improper Attestation Workflow Enforcement
Description
Improper enforcement of behavioral workflow in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to potentially launch a guest whose attestation report contains an ID key digest for an ID block that doesn't match the guest's measurement resulting in loss of integrity.
INFO
Published Date :
Nov. 10, 2026, 10:11 p.m.
Last Modified :
Nov. 10, 2026, 10:11 p.m.
Remotely Exploit :
No
Source :
AMD
Affected Products
The following products are affected by CVE-2026-28248
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | b58fc414-a1e4-4f92-9d70-1add41838648 |
Solution
- Update AMD SEV firmware to the latest version.
- Verify attestation reports for ID key digest integrity.
- Ensure ID block matches guest measurement.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-28248 vulnerability anywhere in the article.