CVE-2026-15506 SecureAge CatchPulse Driver saappctl.sys heap-based overflow
A local attacker can exploit a heap-based buffer overflow in the CatchPulse driver to execute arbitrary code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15506?
CVE-2026-15506 is a high-severity memory corruption vulnerability in SecureAge CatchPulse, published on 12 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A security vulnerability has been detected in SecureAge CatchPulse up to 10.9.3. The affected element is an unknown function in the library saappctl.sys of the component Driver. Such manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. Upgrading to version 10.10.0 is sufficient to fix this issue. You should upgrade the affected component. The vendor was contacted early about this disclosure.
Which versions are affected by CVE-2026-15506?
How do I fix CVE-2026-15506?
No fix has been published for CVE-2026-15506 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-2026-15506 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15506 exists.
Sources
Also known as GHSA-j5fg-5g4v-6437.