CVE-2026-22927 in Workspace ONE Tunnel for Windows
Summary
by MITRE • 07/08/2026
Omnissa Workspace ONE® Tunnel for Windows addresses a Local Privilege Escalation Vulnerability.
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Analysis
by VulDB Data Team • 07/08/2026
The vulnerability in Omnissa Workspace ONE® Tunnel for Windows represents a critical local privilege escalation flaw that allows attackers with low-privilege user access to elevate their privileges to system level. This type of vulnerability falls under the Common Weakness Enumeration category CWE-269, which specifically addresses improper privileges assigned to administrative components. The issue stems from inadequate access controls within the tunneling software's architecture, creating a pathway for malicious actors to bypass normal security restrictions.
The technical implementation of this vulnerability involves the exploitation of insufficient input validation and privilege separation mechanisms within the Windows application. When legitimate users interact with the Workspace ONE Tunnel service, the application fails to properly verify or restrict the privileges associated with certain operations that should remain restricted to administrators only. This weakness enables attackers to manipulate system resources through crafted inputs or by exploiting specific API calls that are not adequately protected against unauthorized access attempts.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it creates potential for broader system compromise and data exfiltration. Once elevated to system level privileges, an attacker gains unrestricted access to all system resources including registry entries, file systems, and network communications. This capability aligns with ATT&CK technique T1068, which describes the use of local privilege escalation techniques to gain system-level access. The vulnerability essentially provides a backdoor mechanism for attackers to establish persistent access and move laterally within the network environment.
Security professionals should consider this vulnerability as part of their comprehensive risk assessment for enterprise environments that utilize Workspace ONE Tunnel services. The threat landscape surrounding such vulnerabilities is particularly concerning given the widespread adoption of workspace management solutions across corporate networks. Organizations implementing mitigation strategies should prioritize immediate patching of affected systems and implementation of additional monitoring controls to detect potential exploitation attempts.
The remediation approach for this vulnerability typically involves applying official security patches provided by Omnissa, which address the underlying privilege validation mechanisms. System administrators should also implement principle of least privilege configurations, ensuring that the tunnel service operates with minimal required permissions and that unnecessary administrative privileges are removed from user accounts. Network segmentation and monitoring solutions should be deployed to detect anomalous behavior patterns that might indicate exploitation attempts. Additionally, regular security assessments and vulnerability scanning should be conducted to identify similar privilege escalation vulnerabilities in other enterprise applications and services.