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OpenAdvisories
High · 7.8 CVE-2026-83598 EUVD-2026-84565

Netdata: Local Privilege Escalation in Netdata Agent Windows installer via PowerShell Profile Hijack in MSI Repair

Published Sep 22, 2026 · Updated Sep 22, 2026 · Assigned by GitHub_M

Description

Netdata is an open source observability tool. From rom 2.0.0 until 2.10.4, during Netdata Windows Agent MSI repair, powershell.exe runs as SYSTEM without -NoProfile and loads %USERPROFILE%\Documents\WindowsPowerShell\Microsoft.PowerShell_profile.ps1 from the low-privileged user who initiated repair. Commands placed in that profile before repair therefore execute with SYSTEM privileges. This vulnerability is fixed in 2.10.4.

Affected products

VendorProductAffectedFixed
netdata netdata >= 2.0.0, < 2.10.4 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 12 netdata No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu 24.04 LTS netdata No fix yet —
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 22.04 LTS netdata No fix yet —
Ubuntu Pro 20.04 LTS netdata No fix yet —
Ubuntu Pro 18.04 LTS netdata No fix yet —

References