Improper input validation in Oracle VM VirtualBox - CVE-2026-87311
Published: November 10, 2026
Vulnerability identifier: #VU164329
CSH Severity: Low
CVSS v4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-87311
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local authenticated user to a crash the entire system.
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 a crash the entire system.
Affected software
Oracle VM VirtualBox
How to mitigate CVE-2026-87311
Install updates from vendor's website.