Vulnerability record/PUBLISHED/Published Nov 10, 2026 22:13:08 UTC

CVE-2025-48504

Operation on a resource after expiration or release in the Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to manipulate metadata pages potentially resulting in the loss of confidentiality and integrity of guest memory.

Base score6.8/ 10

SeverityMediumCVSS 4.0

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityMedium

Attack vectorLocalAV

Attack complexityLowAC

Attack requirementsPresentAT

Privileges requiredHighPR

User interactionNoneUI

Vulnerable system confidentialityNoneVC

Vulnerable system integrityHighVI

Vulnerable system availabilityNoneVA

Subsequent system confidentialityNoneSC

Subsequent system integrityHighSI

Subsequent system availabilityNoneSA

CVSS vector stringCVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering AuthorityAMD

Last updatedNov 12, 2026 23:50:20 UTC

PublishedNov 10, 2026 22:13:08 UTC

ReservedMay 22, 2025 16:34:02 UTC