Buffer Overflow Vulnerability in ClearPass Policy Manager by HPE
CVE-2026-79808

7.8HIGH

Key Information:

Vendor

HP (HP)

Status
Clearpass Policy Manager (cppm)
Vendor
CVE Published:
6 October 2026

What is CVE-2026-79808?

A buffer overflow vulnerability has been identified in the OnGuard agent of ClearPass Policy Manager. This security flaw allows an authenticated local user to potentially execute arbitrary code with elevated privileges on the affected host. Furthermore, it poses a risk of disrupting the availability of the ClearPass service, creating significant operational challenges. Users are advised to assess their systems and implement necessary mitigations to protect against potential exploitation.

Affected Version(s)

ClearPass Policy Manager (CPPM) 6.14.0

ClearPass Policy Manager (CPPM) 6.14.0

ClearPass Policy Manager (CPPM) 6.11.0 <= 6.11.15

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpe...

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Internal security research (HPE Networking).
.