---
id: CVE-2026-79808
title: >-
  A buffer overflow vulnerability exists in the OnGuard agent of ClearPass
  Policy Manager
summary: >-
  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 disrup…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
vendor: Hewlett Packard Enterprise (HPE)
product: ClearPass Policy Manager (CPPM)
affected:
  - clearpass_policy_manager_cppm >= 6.14.0 <= 6.14.0
  - clearpass_policy_manager_cppm >= 6.11.0 <= 6.11.15
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T20:17:32.367'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-79808'
references:
  - url: >-
      https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05158en_us&docLocale=en_US
    label: security-alert@hpe.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-06T20:16:42.503Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.