CVE-2026-76753

CRITICAL 9.8

Unauthenticated Format String Vulnerability in HPE Networking ClearPass Policy Manager

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	hewlett packard enterprise (hpe)
Product	clearpass policy manager (cppm)
Published	Oct 6, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Hewlett Packard Enterprise (HPE) / ClearPass Policy Manager (CPPM)

6.14.0 ≤ 6.14.0 6.11.0 ≤ 6.11.15

References

NVD ↗ CVE.org ↗ EPSS Data ↗

support.hpe.com: https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05158en_us&docLocale=en_US

Credits

🔍 Internal security research (HPE Networking).