CVE-2026-100205: SysInternals Elevation of Privilege Vulnerability
SysInternals Elevation of Privilege Vulnerability
Other sources
Untrusted pointer dereference in SysInternals allows an authorized attacker to elevate privileges locally.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in v4.04
Event History
Frequently Asked Questions
Who is exposed to this vulnerability?
Systems with the affected Microsoft Sysinternals or Microsoft Windows Sysinternals Process Monitor software are potentially exposed. Exploitation is local, so the attacker must be able to execute code on the system.
What access does an attacker need to exploit it?
The attacker must already be authorized and have low-level local privileges. No user interaction is required.
What is the likely impact of successful exploitation?
A successful exploit can elevate the attacker’s privileges locally. The provided severity metrics indicate high confidentiality and integrity impact, with no availability impact indicated.