CVE-2026-83597 Netdata: Local Privilege Escalation in Netdata Windows Agent installer via MSI Repair Execution
A local attacker can escalate privileges to SYSTEM by hijacking elevated processes launched during the Netdata Windows Agent MSI repair operation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-83597?
CVE-2026-83597 is a high-severity vulnerability in netdata, published on 22 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Netdata is an open source observability tool. From version 2.0.0 until 2.10.4, Netdata Windows Agent MSI repair launches powershell.exe and wevtutil.exe as elevated interactive processes in the initiating user's desktop session. A low-privileged local user who triggers repair can interact with or hijack those visible process windows to execute arbitrary commands with SYSTEM privileges. This issue is fixed in stable version 2.10.4.
Weakness: CWE-269
Which versions are affected by CVE-2026-83597?
How do I fix CVE-2026-83597?
Upgrade to a fixed version.
Is CVE-2026-83597 being exploited?
There is no known exploitation of CVE-2026-83597 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-83597, GHSA-jmv4-pq25-crvv, MINI-7376-8vqg-hf83, MINI-xmx2-xpjc-9m83, UBUNTU-CVE-2026-83597.