Quick answers
- Is CVE-2025-48504 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2025-48504 being exploited in the wild.
- How severe is CVE-2025-48504?
- Informational severity, published 10 November 2026.
- Which products and versions are affected?
- AMD Secure Encrypted Virtualization firmware.
- Is there a fix for CVE-2025-48504?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2025-48504 attacked?
- It is attacked from the adjacent network or with local access, in device firmware.
- Am I affected by CVE-2025-48504?
- Check whether you run Amd Secure Encrypted Virtualization firmware. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability is a use-after-free flaw in SEV firmware's resource management, allowing operation on freed memory resources. An attacker with hypervisor-level access can manipulate guest memory metadata pages. The attack requires local/adjacent access via the hypervisor and results in loss of guest memory confidentiality and integrity protections.
Affected products
- AMD Secure Encrypted Virtualization firmware
Timeline
- 2026-11-10: advisory