Quick answers
- Is CVE-2026-76753 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-76753 being exploited in the wild.
- How severe is CVE-2026-76753?
- Critical severity, with a CVSS score of 9.8, published 6 October 2026.
- Which products and versions are affected?
- HPE ClearPass Policy Manager.
- Is there a fix for CVE-2026-76753?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-76753 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-76753?
- Check whether you run Hpe ClearPass Policy Manager. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A format string vulnerability exists in an affected service interface of ClearPass Policy Manager that is reachable without authentication. The vulnerability allows an unauthenticated remote attacker to corrupt process memory via a crafted input, leading to arbitrary code execution on the affected system.
Affected products
- HPE ClearPass Policy Manager
Timeline
- 2026-10-06: disclosed