CVE-2026-79808
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk1th percentile - higher than 1% of all known CVEs
Summary
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-2026-79805Critical
An authenticated path traversal vulnerability exists in ClearPass Policy Manager. Successful exploitation could allow an attacker to read and modify certain files on the underlying operating system.
- CVE-2026-79801Critical
A missing integrity verification vulnerability in the client agent software of HPE Networking ClearPass Policy Manager could allow an unauthenticated remote attacker to introduce untrusted code. Successful exploitation could allow an attacker to execute arbitrary code on the affected client system.
- CVE-2026-79798Critical
SQL injection vulnerabilities in the web-based management interface of ClearPass Policy Manager could allow a low-privileged authenticated remote attacker to conduct SQL injection attacks against the ClearPass Policy Manager instance. Successful exploitation could allow an attacker to run arbitrary database commands.
- CVE-2026-79796Critical
Vulnerabilities have been identified in the affected interface of ClearPass Policy Manager that could potentially allow an unauthenticated remote attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain unauthorized access to the affected system.
- CVE-2026-79794Critical
A SQL injection vulnerability in the web-based management interface of ClearPass Policy Manager could allow an authenticated remote attacker to conduct SQL injection attacks against the ClearPass Policy Manager instance. Successful exploitation could allow an attacker to run arbitrary database commands.
- CVE-2026-76754Critical
A vulnerability in an affected interface of ClearPass Policy Manager could allow an unauthenticated remote attacker to conduct SQL injection attacks against the ClearPass Policy Manager instance. Successful exploitation could allow an attacker to run arbitrary database commands.
- CVE-2026-76753Critical
A format string vulnerability in an affected service interface of HPE Networking ClearPass Policy Manager could allow an unauthenticated remote attacker to corrupt process memory. Successful exploitation could allow an attacker to execute arbitrary code.
- CVE-2026-76752Critical
Authentication bypass vulnerabilities exist in the web-based management and API interfaces of HPE Networking ClearPass Policy Manager. Successful exploitation could allow an unauthenticated remote attacker to circumvent existing authentication controls and gain administrative access to the affected system.
- CVE-2026-76751Critical
Missing integrity verification in the OnGuard agent of ClearPass Policy Manager. Successful exploitation could allow an unauthenticated remote attacker to execute arbitrary code on the affected endpoint with elevated agent privileges.
- CVE-2026-76750Critical
Deserialization of untrusted data vulnerabilities in the web interface of HPE Networking ClearPass Policy Manager. Successful exploitation could allow an unauthenticated remote attacker to execute arbitrary code on the affected 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

