Improper input validation in Oracle VM VirtualBox - CVE-2026-87274
Published: November 8, 2026
Vulnerability identifier: #VU162551
CSH Severity: Low
CVSS v4: 4.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-87274
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Core component in Oracle VM VirtualBox. A local authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.
Affected software
Oracle VM VirtualBox
How to mitigate CVE-2026-87274
Install updates from vendor's website.