Vulnerability · Published Oct 6, 2026 · Assigned by hpe
CVE-2026-76753Unauthenticated Format String Vulnerability in HPE Networking ClearPass Policy Manager
Critical 9.8
In plain English
A critical-severity security flaw in ClearPass Policy Manager (CPPM) from Hewlett Packard Enterprise (HPE). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.5%top 55.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Hewlett Packard Enterprise (HPE) | ClearPass Policy Manager (CPPM) | 6.14.0 – through 6.14.06.11.0 – through 6.11.15 |
Weakness: CWE-134 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H