Unauthenticated Access Vulnerability in Oracle VM VirtualBox
CVE-2026-21986

7.1HIGH

Key Information:

Vendor

Oracle
Status
Oracle Vm Virtualbox
Vendor
CVE Published:
20 January 2026

What is CVE-2026-21986?

A vulnerability exists in Oracle VM VirtualBox that allows an unauthenticated attacker with access to the infrastructure where the software is deployed to exploit the system. This can lead to unauthorized control over Oracle VM VirtualBox, resulting in potential service disruptions such as frequent crashes or hangs. This vulnerability specifically affects Windows VMs running the supported versions of the product, with higher susceptibility to severe impact scenarios.

Affected Version(s)

Oracle VM VirtualBox 7.1.14

Oracle VM VirtualBox 7.2.4

References

https://www.oracle.com/security-alerts/cpujan2026.html
vendor-advisory

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.