PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-46768 Oracle Corporation CVE debrief

A vulnerability was discovered in Oracle VM VirtualBox 7.2.8, affecting the VMSVGA device component. This easily exploitable vulnerability allows a high-privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox. The CVE record was published on 2026-06-17T10:53:54.303Z and has not been modified since then. The NVD entry is currently Analyzed.

Vendor
Oracle Corporation
Product
Oracle VM VirtualBox
CVSS
MEDIUM 6
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

Administrators and users of Oracle VM VirtualBox 7.2.8 should be aware of this vulnerability and take necessary actions to mitigate the risk. This includes reviewing the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. They should also plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Technical summary

The vulnerability has a CVSS 3.1 Base Score of 6.0 (Availability impacts) and a CVSS Vector of (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H). It allows a high-privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. The vulnerability is in the VMSVGA device component of Oracle VM VirtualBox 7.2.8. Successful attacks can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox. The vulnerability is easily exploitable.

Defensive priority

Medium

Recommended defensive actions

  • Apply the vendor patch as soon as possible
  • Restrict access to the Oracle VM VirtualBox infrastructure
  • Monitor for suspicious activity
  • Consider implementing compensating controls
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-06-17T10:53:54.303Z and was last modified on 2026-06-18T13:49:51.280Z. The NVD entry is currently Analyzed. This information is based on the NVD entry and the CVE record. The vulnerability affects Oracle VM VirtualBox 7.2.8. The evidence is limited, and defenders should verify the affected scope and severity.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-46768 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-46768

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

  • CVE-2026-46768 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46768

    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.