CVE-2026-76753 Unauthenticated Format String Vulnerability in HPE Networking ClearPass Policy Manager
Unauthenticated remote attackers can exploit a format string vulnerability in HPE ClearPass Policy Manager to corrupt memory and execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-76753?
CVE-2026-76753 is a critical memory corruption vulnerability in Hewlett Packard Enterprise (HPE) ClearPass Policy Manager (CPPM), published on 6 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-134
Which versions are affected by CVE-2026-76753?
How do I fix CVE-2026-76753?
No fix has been published for CVE-2026-76753 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-76753 being exploited?
There is no known exploitation of CVE-2026-76753 in the wild and no public exploit code.
Sources
Also known as GHSA-62qp-w4gp-5m8w.