ClearPass Policy Manager (CPPM) vulnerability

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.

Published 6 Oct 2026Updated 8 Oct 20261 sources
CVSS 7.8

What happened

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.

Affected versions

ClearPass Policy Manager (CPPM): 6.14.0 through 6.14.0 (semver); 6.11.0 through 6.11.15 (semver) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.