CVE-2026-87273 Privilege escalation in Oracle VM VirtualBox

High 8.6 Published 15 Sep 2026 Updated 22 Sep 2026

An attacker with local access can exploit a flaw in Oracle VM VirtualBox to escalate privileges and take over the virtualization environment.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-87273?

CVE-2026-87273 is a high-severity vulnerability in Oracle Vm Virtualbox, published on 15 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

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 unauthenticated 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 takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H).

Weakness: CWE-269

Which versions are affected by CVE-2026-87273?

It affects 1 product.

Products include Oracle Vm Virtualbox.

How do I fix CVE-2026-87273?

No fix has been published for CVE-2026-87273 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-87273 being exploited?

There is no known exploitation of CVE-2026-87273 in the wild and no public exploit code.

All Oracle Vm Virtualbox vulnerabilities

Sources

Also known as GHSA-fr7v-827j-c892, UBUNTU-CVE-2026-87273.