CVE intelligence

CVE-2023-20585

Vulnerability intelligence

Published Apr 16, 2026Sources checked Sep 27, 2026

5.6MEDIUMCVSS out of 10

What this means

Review the available evidence

CVE-2023-20585 and is rated Medium severity with a CVSS score of 5.6. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

CISA KEVNot listedBased on the latest collected catalog

EPSS0.1%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2023-20585?

Insufficient checks of the RMP on host buffer access in IOMMU may allow an attacker with privileges and a compromised hypervisor to trigger an out of bounds condition without RMP checks, resulting in a potential loss of confidential guest integrity.