VulnerabilityAnalyzed

CVE-2026-21986

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core).

HIGH 7.1EPSS 0.19%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are 7.1.14 and 7.2.4. Easily exploitable vulnerability allows unauthenticated 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. Note: This vulnerability applies to Windows VMs only. CVSS 3.1 Base Score 7.1 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H).

CVSS 3.1: 7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS: 0.19% probability · 9th percentile
CISA KEV: Not listed
Affected: oracle/vm virtualbox
Source: secalert_us@oracle.com

References

https://www.oracle.com/security-alerts/cpujan2026.htmlVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.