CVE-2026-87274 Denial of service in Oracle VM VirtualBox
A local attacker can cause a complete denial of service in Oracle VM VirtualBox through a difficult-to-exploit vulnerability requiring user interaction.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-87274?
CVE-2026-87274 is a medium-severity denial of service 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. Difficult to exploit 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. 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H).
Weakness: CWE-400
Which versions are affected by CVE-2026-87274?
It affects 1 product.
Products include Oracle Vm Virtualbox.
How do I fix CVE-2026-87274?
No fix has been published for CVE-2026-87274 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-87274 being exploited?
There is no known exploitation of CVE-2026-87274 in the wild and no public exploit code.
Other vulnerabilities in Oracle Vm Virtualbox
- CVE-2016-5605 Unspecified vulnerability in the Oracle VM VirtualBox component before 5.1.4 in Oracle Virtualization allows remote attackers to affect conf
- CVE-2018-3294 Privilege escalation in VM VirtualBox
- CVE-2024-21112 Privilege escalation in VM VirtualBox
- CVE-2024-21113 Privilege escalation in VM VirtualBox
- CVE-2024-21114 Privilege escalation in VM VirtualBox
Sources
Also known as GHSA-v8gf-7q28-8j3c, UBUNTU-CVE-2026-87274.