CVE-2025-62641 Overview
CVE-2025-62641 is a local privilege abuse vulnerability in the Core component of Oracle VM VirtualBox. Affected versions are 7.1.12 and 7.2.2. The flaw allows a high-privileged attacker with logon access to the host running VirtualBox to compromise the hypervisor. Because the scope changes, exploitation can affect resources beyond the vulnerable component, extending impact to guest virtual machines and other host-side products. The Common Weakness Enumeration classification is [CWE-267] Privilege Defined With Unsafe Actions.
Critical Impact
Successful exploitation results in full takeover of Oracle VM VirtualBox with high impact to confidentiality, integrity, and availability across a changed security scope.
Affected Products
- Oracle VM VirtualBox 7.1.12
- Oracle VM VirtualBox 7.2.2
- Oracle Virtualization (Core component)
Discovery Timeline
- 2025-10-21 - CVE-2025-62641 published to NVD as part of the Oracle Critical Patch Update for October 2025
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-62641
Vulnerability Analysis
The vulnerability resides in the Core component of Oracle VM VirtualBox, the hypervisor engine responsible for managing virtual machine execution, device emulation, and host-guest communication. An attacker who already holds high privileges on the host can leverage an unsafe privileged action to escalate control over the VirtualBox process. The scope change indicates that the exploit crosses a security boundary. A compromise of the hypervisor can therefore reach virtualized guests or adjacent host components not directly exposed to the attacker.
Successful exploitation grants the attacker control over VirtualBox with high impact to confidentiality, integrity, and availability. In practice this means arbitrary manipulation of virtual machines, extraction of guest memory or disk contents, and disruption of virtualization services. The EPSS probability for CVE-2025-62641 is 0.192%, indicating low predicted exploitation activity in the near term.
Root Cause
The underlying weakness is [CWE-267] Privilege Defined With Unsafe Actions. The Core component exposes an action or interface that a privileged host user can invoke to perform operations without adequate safeguards. This mismatch between the assigned privilege and the sensitivity of the action enables escalation beyond the intended trust boundary of the hypervisor.
Attack Vector
The attack vector is local. The attacker must authenticate to the host operating system where Oracle VM VirtualBox executes and must already hold high privileges on that host. No user interaction is required. Because the impact scope changes, exploitation from the host context reaches into guest VMs or other coupled products, making this vulnerability relevant to multi-tenant lab environments, developer workstations, and virtualization servers that expose administrative accounts to multiple users.
No public proof-of-concept code has been released for CVE-2025-62641. Refer to the Oracle Security Alert - October 2025 for authoritative technical guidance.
Detection Methods for CVE-2025-62641
Indicators of Compromise
- Unexpected VBoxSVC, VBoxHeadless, or VBoxManage process activity spawned by privileged host users outside of normal administration windows.
- Guest virtual machines starting, stopping, or reconfiguring without corresponding change management records.
- Modifications to VirtualBox configuration files under user profiles, such as .VirtualBox/VirtualBox.xml or per-VM .vbox files, made by unexpected accounts.
Detection Strategies
- Baseline legitimate administrative use of VirtualBox binaries and alert on deviations, including invocations by service accounts that do not typically manage VMs.
- Correlate host privilege elevation events (sudo, UAC, Run As) with subsequent VirtualBox API or CLI calls to surface abuse patterns.
- Inventory hosts running Oracle VM VirtualBox 7.1.12 and 7.2.2 and prioritize them for enhanced monitoring until patched.
Monitoring Recommendations
- Forward host process execution, command-line, and file integrity telemetry from all VirtualBox hosts to a centralized analytics platform for retrospective hunting.
- Monitor changes to VirtualBox extension packs, kernel modules (vboxdrv, vboxnetflt), and driver load events, which can accompany hypervisor tampering.
- Track authentication events for local administrator and virtualization operator accounts on hosts running VirtualBox.
How to Mitigate CVE-2025-62641
Immediate Actions Required
- Apply the fixes published in the Oracle Critical Patch Update for October 2025 to all Oracle VM VirtualBox 7.1.12 and 7.2.2 installations.
- Restrict host logon rights so that only trusted administrators can authenticate to systems running VirtualBox.
- Audit local group membership for vboxusers and equivalent groups and remove unnecessary accounts.
Patch Information
Oracle addressed CVE-2025-62641 in the October 2025 Critical Patch Update. Administrators should review the Oracle Security Alert - October 2025 advisory and upgrade to the fixed VirtualBox release listed for their platform. Patching is the only supported remediation path for this vulnerability.
Workarounds
- Limit interactive and remote logon to VirtualBox hosts to a small, audited set of administrators until patches are deployed.
- Isolate VirtualBox hosts on management networks that block untrusted user access and enforce multi-factor authentication for administrative logons.
- Shut down or suspend sensitive guest VMs on unpatched hosts to reduce the blast radius of a hypervisor takeover.
# Verify installed Oracle VM VirtualBox version on Linux or macOS hosts
VBoxManage --version
# Enumerate accounts with virtualization privileges on Linux
getent group vboxusers
# On Windows, list members of local Hyper-V/Virtualization administrator groups
net localgroup "Hyper-V Administrators"
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
