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PatchSiren cyber security CVE debrief

CVE-2026-47062 Oracle Corporation CVE debrief

A vulnerability was discovered in Oracle VM VirtualBox, specifically in the Core component. The affected version is 7.2.12. This vulnerability is easily exploitable by a low-privileged attacker with logon access to the infrastructure where Oracle VM VirtualBox executes, allowing them to compromise the system. Successful attacks can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox. The vulnerability has a medium severity level with a CVSS 3.1 Base Score of 5.5.

Vendor
Oracle Corporation
Product
Oracle VM VirtualBox
CVSS
MEDIUM 5.5
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 users of Oracle VM VirtualBox version 7.2.12 should be aware of this vulnerability and take necessary precautions to mitigate the risk. This includes reviewing system logs for potential exploitation attempts and considering compensating controls such as network segmentation or access controls.

Technical summary

The vulnerability has a CVSS 3.1 Base Score of 5.5, indicating a medium severity level. The CVSS Vector is (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H), which means the vulnerability is locally exploitable, requires low privileges, and has a high impact on availability. This vulnerability affects Oracle VM VirtualBox version 7.2.12, specifically in the Core component. Successful attacks can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox. System administrators and users should review system logs for potential exploitation attempts and consider compensating controls such as network segmentation or access controls. The CVE record was published on 2026-07-21T22:17:12.077Z and was last modified on 2026-07-27T20:10:38.610Z.

Defensive priority

Medium priority should be given to patching or mitigating this vulnerability, as it can be exploited by low-privileged attackers and has a significant impact on system availability.

Recommended defensive actions

  • Apply the latest security patches for Oracle VM VirtualBox
  • Restrict access to the infrastructure where Oracle VM VirtualBox executes
  • Monitor system logs for potential exploitation attempts
  • Consider implementing compensating controls, such as network segmentation or access controls
  • Review 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
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-07-21T22:17:12.077Z and was last modified on 2026-07-27T20:10:38.610Z. The NVD entry is currently Analyzed. This information is based on the provided source corpus. Further verification by defenders is recommended to ensure accuracy and completeness of affected scope.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-21T22:17:12.077Z and has not been modified since then. The NVD entry is currently Analyzed.