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CVE-2026-46873 Oracle Corporation CVE debrief

A high-severity vulnerability was discovered in Oracle VM VirtualBox, specifically in the VMSVGA device component. This vulnerability, tracked as CVE-2026-46873, has a CVSS 3.1 Base Score of 7.5, indicating high impacts on confidentiality, integrity, and availability. The affected version is 7.2.8, and the vulnerability is difficult to exploit, requiring a high-privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes.

Vendor
Oracle Corporation
Product
Oracle VM VirtualBox
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-17
Original CVE updated
2026-06-18
Advisory published
2026-06-17
Advisory updated
2026-06-18

Who should care

System administrators and security teams managing Oracle VM VirtualBox installations, especially those with version 7.2.8, should be aware of this vulnerability and take necessary actions to mitigate potential risks.

Technical summary

The vulnerability resides in the VMSVGA device component of Oracle VM VirtualBox version 7.2.8. It is a difficult-to-exploit vulnerability that allows a high-privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise the system. Successful attacks can result in the takeover of Oracle VM VirtualBox. The CVSS Vector is CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H.

Defensive priority

High priority should be given to patching or mitigating this vulnerability, especially in environments where Oracle VM VirtualBox is widely used or where high-privileged access could be a concern.

Recommended defensive actions

  • Apply the latest security patches from Oracle Corporation for Oracle VM VirtualBox.
  • Restrict access to the infrastructure where Oracle VM VirtualBox executes to minimize the attack surface.
  • Monitor for any suspicious activities that could indicate an attempted exploit of this vulnerability.
  • Consider compensating controls such as additional logging and monitoring of VirtualBox activity.
  • Review system configurations for potential exposure and prioritize patching.
  • Conduct a thorough review of VirtualBox installations to identify and mitigate potential risks.
  • Track and verify the implementation of recommended mitigations and patches.

Evidence notes

The CVE record was published on 2026-06-17T10:54:05.017Z and was last modified on 2026-06-18T13:51:15.790Z. The NVD entry is currently Analyzed. Vendor advisory is available from Oracle Corporation. Evidence is limited to public sources and may not reflect all affected systems or potential impacts. Defenders should verify system configurations and exposure with the official CVE and vendor guidance.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-46873 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-46873

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-46873 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46873

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.