CVE-2026-10739 Cato Networks SDP Client for Windows is vulnerable to Local Privilege Escalation
A local user can escalate privileges to SYSTEM by deleting arbitrary files due to improper SID validation in the Cato Networks SDP Client.
- 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-2026-10739?
CVE-2026-10739 is a high-severity vulnerability in Cato Networks SDP Client, published on 30 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Cato Networks SDP Client for Windows before 6.12.6 allows a local user to delete arbitrary files with SYSTEM privileges via improper validation of a client-supplied SID over a local IPC named pipe.
Which versions are affected by CVE-2026-10739?
How do I fix CVE-2026-10739?
No fix has been published for CVE-2026-10739 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-10739 being exploited?
There is no known exploitation of CVE-2026-10739 in the wild and no public exploit code.
Sources
Also known as GHSA-cp25-qw94-53fj.