CVE-2026-79808
HighCVSS 7.8Summary
A buffer overflow vulnerability in the OnGuard agent of ClearPass Policy Manager allows an authenticated local user to execute arbitrary code with elevated privileges or disrupt service availability.
Risk Assessment
Risk of host compromise by a local user, potentially leading to confidentiality, integrity, and availability breaches.
Recommendation
Update the OnGuard agent to the latest version and monitor local users for unauthorized activities.
Other vulnerabilities in ClearPass Policy Manager
See all- CVE-2026-79818Medium
A vulnerability in an API interface of ClearPass Policy Manager could allow an unauthenticated remote attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to obtain sensitive information from the affected system.
- CVE-2026-79817Medium
A sensitive information disclosure vulnerability exists in the client software of HPE Networking ClearPass Policy Manager. Successful exploitation could allow an attacker with local access to the affected system to obtain sensitive information.
- CVE-2026-79816Medium
A vulnerability in a client interface of HPE Networking ClearPass Policy Manager could allow an unauthenticated remote attacker to conduct a DOM-based cross-site scripting (XSS) attack against a user of the affected client interface. Successful exploitation could allow an attacker to execute arbitrary script code in a victim's browser context.
- CVE-2026-79813Medium
A local privilege escalation vulnerability exists in the ClearPass client software. Successful exploitation could allow a low-privileged local user to execute commands with elevated privileges on the affected system, if certain conditions outside of the attacker's control are met.
- CVE-2026-79811High
A SQL injection vulnerability in the API of ClearPass Policy Manager could allow a remote authenticated attacker with administrative privileges to conduct SQL injection attacks against the ClearPass Policy Manager instance. Successful exploitation could allow an attacker to execute arbitrary database commands.
- CVE-2026-79810High
Remote code execution vulnerabilities exist in the affected interface of HPE Networking ClearPass Policy Manager that could allow an authenticated remote attacker with high privileges to execute arbitrary code. Successful exploitation could allow an attacker to execute arbitrary commands on the underlying operating system.
- CVE-2026-79809High
A path traversal vulnerability in an API endpoint of ClearPass Policy Manager allows an unauthenticated remote attacker to influence authorization decisions and be assigned an unintended role.
- CVE-2026-79807High
A missing integrity verification vulnerability in the Windows client software for ClearPass Policy Manager could allow malicious local users to elevate privileges and execute code with elevated privileges.
- CVE-2026-79806High
A privilege escalation vulnerability in the ClearPass Policy Manager OnGuard Linux agent could allow malicious users to escalate to root privileges on the affected Linux client.
- CVE-2026-79803High
A command injection vulnerability in the API of ClearPass Policy Manager allows an authenticated remote attacker to escalate privileges and gain administrative control of the system.
Original NVD description (English source)
A buffer overflow vulnerability exists in the OnGuard agent of ClearPass Policy Manager. Successful exploitation could allow an authenticated local user to execute arbitrary code with elevated privileges on the affected host or to disrupt the availability of the affected service.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

