PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-47054 Oracle Corporation CVE debrief

A high-severity vulnerability was found in Oracle VM VirtualBox, specifically in the Core component. The vulnerability, tracked as CVE-2026-47054, has a CVSS score of 7.8 and can be easily exploited by a low-privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes. Successful attacks can result in the takeover of Oracle VM VirtualBox. This vulnerability applies to Windows hosts only. The vulnerability has a high impact on confidentiality, integrity, and availability, and system administrators and security teams should take necessary actions to mitigate the risk.

Vendor
Oracle Corporation
Product
Oracle VM VirtualBox
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-21
Original CVE updated
2026-07-27
Advisory published
2026-07-21
Advisory updated
2026-07-27

Who should care

System administrators and security teams responsible for managing Oracle VM VirtualBox installations, especially on Windows hosts, should be aware of this vulnerability and take necessary actions to mitigate the risk. They should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance, and plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Technical summary

The vulnerability is located in the Core component of Oracle VM VirtualBox, version 7.2.12. It has a CVSS vector of CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, indicating a high impact on confidentiality, integrity, and availability. The vulnerability can be exploited by a low-privileged attacker with logon to the infrastructure, and successful attacks can lead to the takeover of Oracle VM VirtualBox. The vulnerability applies to Windows hosts only, and the affected product deployments should be reviewed for potential exposure.

Defensive priority

High priority should be given to patching or mitigating this vulnerability, especially in environments where Oracle VM VirtualBox is widely used or exposed to potential attackers.

Recommended defensive actions

  • Apply the latest security patches from Oracle
  • Restrict access to Oracle VM VirtualBox to only necessary personnel
  • Monitor Oracle VM VirtualBox installations for suspicious activity
  • Consider implementing additional security controls, such as multi-factor authentication
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-07-21T22:17:11.133Z and last modified on 2026-07-27T20:11:15.707Z. The NVD entry is currently Analyzed. The vulnerability applies to Windows hosts only. There is limited information available about the vulnerability, and defenders should verify the affected scope and severity. The CVE record and NVD entry provide the most up-to-date information.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-21T22:17:11.133Z and has not been modified since then. The NVD entry is currently Analyzed.