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UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-76753

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.

CRITICAL 9.8EPSS 0.53%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.53%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.53% probability · 44th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-134
Source
security-alert@hpe.com
EPSS trend
0%3%5%7 October 2026: 0.53%26 October 2026: 0.53%7 October 202626 October 2026

EPSS moved from 0.5% on 7 October 2026 to 0.5% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.