How severe is CVE-2025-48517?

CVE-2025-48517 has a CVSS 4.0 base score of 4.6, rated medium severity.

Is CVE-2025-48517 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-48517?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-48517 have an EU (EUVD) identifier?

Yes. CVE-2025-48517 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207137.

When was CVE-2025-48517 published?

CVE-2025-48517 was published on 2026-02-10 and last updated on 2026-06-17.

CVE-2025-48517

CVE-2025-48517 is a medium-severity vulnerability with a CVSS 4.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1220.

Key facts

Severity: Medium (CVSS 4.0 base score 4.6)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-207137
Weakness: CWE-1220
Published: 2026-02-10
Last modified: 2026-06-17

Description

Insufficient Granularity of Access Control in SEV firmware could allow a privileged user with a malicious hypervisor to create a SEV-ES guest with an ASID in the range meant for SEV-SNP guests potentially resulting in a partial loss of confidentiality.

Frequently asked questions

What is CVE-2025-48517?: Insufficient Granularity of Access Control in SEV firmware could allow a privileged user with a malicious hypervisor to create a SEV-ES guest with an ASID in the range meant for SEV-SNP guests potentially resulting in a partial loss of confidentiality.
How severe is CVE-2025-48517?: CVE-2025-48517 has a CVSS 4.0 base score of 4.6, rated medium severity.
Is CVE-2025-48517 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-48517?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-48517 have an EU (EUVD) identifier?: Yes. CVE-2025-48517 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207137.
When was CVE-2025-48517 published?: CVE-2025-48517 was published on 2026-02-10 and last updated on 2026-06-17.

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html

Other CWE-1220 vulnerabilities

CVE-2025-31201 — Critical (CVSS 9.8): This issue was addressed by removing the vulnerable code. This issue is fixed in iOS 18.4.1 and iPadOS 18.4.1, macOS…
CVE-2022-2475 — Critical (CVSS 9.8): Haas Controller version 100.20.000.1110 has insufficient granularity of access control when using the "Ethernet Q…
CVE-2026-6356 — Critical (CVSS 9.6): A vulnerability in the web application allows standard users to escalate their privileges to those of a super…
CVE-2026-6388 — Critical (CVSS 9.1): A flaw was found in ArgoCD Image Updater. This vulnerability allows an attacker, with permissions to create or modify…
CVE-2025-8053 — Critical (CVSS 9.1): Insufficient Granularity of Access Control vulnerability in opentext Flipper allows Exploiting Incorrectly Configured…
CVE-2025-7493 — Critical (CVSS 9.1): A privilege escalation flaw from host to domain administrator was found in FreeIPA. This vulnerability is similar to…

Browse all CWE-1220 vulnerabilities →