CVE-2026-87303 Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core).
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-87303?
CVE-2026-87303 is a medium-severity vulnerability in Oracle VM VirtualBox, published on 20 Oct 2026.
Official description
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is 7.2.16. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks require human interaction from a person other than the attacker and 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. CVSS 3.1 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H).
Weakness: CWE-284
Which versions are affected by CVE-2026-87303?
How do I fix CVE-2026-87303?
No fix has been published for CVE-2026-87303 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-87303 being exploited?
There is no known exploitation of CVE-2026-87303 in the wild and no public exploit code.
Sources
Also known as GHSA-8fqj-wfm3-4xmc, UBUNTU-CVE-2026-87303.