CVE-2026-28249
AMD SEV Cache Coherency Integrity Vulnerability
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.
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-2026-28249
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
- Apply the latest AMD SEV firmware updates.
- Verify system integrity after applying firmware.
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-2026-28249 vulnerability anywhere in the article.