CVE-2026-28249: medium-severity vulnerability in AMD EPYC™ 7003 Series Processors
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.6epss 0.2%
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.
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N
Affected products
AMD · AMD EPYC™ 7003 Series ProcessorsAMD · AMD EPYC™ 8004 Series ProcessorsAMD · AMD EPYC™ 9004 Series ProcessorsAMD · AMD EPYC™ Embedded 7003 Series ProcessorsAMD · AMD EPYC™ Embedded 8004 Series ProcessorsAMD · AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")AMD · AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")Related CVEs — AMD EPYC™ 7003 Series Processors
In the same product, most dangerous first.