Privilege Escalation
The latest Privilege Escalation coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2025-13905: Critical Privilege Escalation Flaw in Schneider Electric EcoStruxure Process Expert
A critical security vulnerability has been identified in Schneider Electric's EcoStruxure Process Expert, a widely used industrial control system (ICS) software platform. Designated as...
CVE-2026-20941: Critical Windows Task Host Privilege Escalation Vulnerability Requires Immediate Patching
Microsoft has disclosed a critical elevation-of-privilege vulnerability in the Host Process for Windows Tasks (taskhostw.exe/taskhostex.exe) that allows authenticated local attackers to gain...
Patch Now: Windows Telephony Service Vulnerability Grants Attackers SYSTEM Access
Microsoft has acknowledged a newly classified elevation of privilege vulnerability, tracked as CVE-2026-20931, affecting the Windows Telephony Service. The flaw, patched in the January 2026 security...
January 2026 Patch Tuesday Seals a Critical Windows Management Privilege Escalation Hole
Microsoft has released patches for a local privilege escalation vulnerability in Windows Management Services that could allow attackers with limited access to seize complete SYSTEM control. The flaw,...
Azure Arc Agent Flaw CVE-2026-21224 Lets Attackers Escalate to SYSTEM and Hijack Cloud Identities
Microsoft has published a high-confidence advisory for a new elevation-of-privilege vulnerability in the Azure Connected Machine agent, the software that links on-premises and hybrid servers to Azure...
New camsvc Race Condition CVE Surfaces, but Microsoft Keeps Details Locked
Microsoft has quietly assigned CVE-2026-21221 to a privilege escalation vulnerability in the Windows Capability Access Management Service (camsvc), but anyone looking for technical meat will come...
Windows SMB Server Race Condition Bug Grants Attackers SYSTEM Privileges — Patch Now
Microsoft’s January 2026 Patch Tuesday includes a fix for CVE-2026-20921, a race condition vulnerability in the Windows SMB Server that could allow an attacker with low-level network access to...
CVE-2026-20923: Microsoft Confirms Elevation-of-Privilege Flaw in Windows Management Services
Microsoft’s Security Update Guide now lists a fresh elevation-of-privilege vulnerability—CVE-2026-20923—inside Windows Management Services (WMS), a component that sits at the nerve center of...
Microsoft Patches Win32k ICOMP Use-After-Free Bug That Could Give Attackers SYSTEM Access
Microsoft has shipped a security update to plug a dangerous kernel-level hole in Windows that could let an attacker with a toehold on a machine to wrest complete control. The bug, tracked as...
Patch Alert: Critical Windows Cdpsvc Privilege Escalation Flaw (CVE-2026-20864) Fixed
Microsoft's first security update of 2026 includes a fix for a local privilege escalation vulnerability in the Windows Connected Devices Platform Service (Cdpsvc). Tracked as CVE-2026-20864, the flaw...
CVE-2026-20857: Windows OneDrive Component Flaw Grants Attackers System-Level Access — Update Now
Microsoft has released a security fix for a privilege escalation vulnerability in the Windows Cloud Files Mini Filter driver, the kernel‑mode engine behind OneDrive’s on‑demand file...
Patch Now: CVE-2026-20858 Gives SYSTEM Access via Windows WMI Flaw
Microsoft has disclosed a critical security vulnerability, tracked as CVE-2026-20858, affecting Windows Management Services across multiple Windows versions. This elevation of privilege (EoP) flaw...