Privilege Escalation
The latest Privilege Escalation coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft Windows Storage EoP Flaw Grants SYSTEM Access—Patch Now
Microsoft dropped a security bombshell on June 9, 2026, with the publication of CVE-2026-47648, a critical elevation-of-privilege vulnerability burrowed deep inside the Windows Storage subsystem. The...
Microsoft Patches CVE-2026-45605 Windows Bluetooth Use-After-Free Flaw
Microsoft patched a critical elevation-of-privilege vulnerability in the Windows Bluetooth Service on June 9, 2026, closing a use-after-free bug that could allow attackers to gain SYSTEM-level...
Windows PCA Bug Lets Local Attackers Seize SYSTEM Rights—Patch Now
Microsoft has disclosed a local elevation-of-privilege (EoP) vulnerability in the Windows Program Compatibility Assistant (PCA) Service, tracked as CVE-2026-45487. The advisory, released on June 9,...
CVE-2026-40404: Critical Windows UDFS Elevation of Privilege Flaw Patched – What You Need to Know
Microsoft released a patch for CVE-2026-40404 on June 9, 2026, closing a high-severity elevation-of-privilege vulnerability in the Windows Universal Disk Format (UDFS) file system driver. The flaw...
Critical UDFS Elevation-of-Privilege Flaw (CVE-2026-40409) Patched in June 2026 Windows Update
Microsoft pushed out a security update on June 9, 2026 that fixes CVE-2026-40409, an elevation-of-privilege vulnerability in the Windows Universal Disk Format (UDF) file system driver. The flaw,...
New Windows DNS Client EoP Bug: Why Microsoft's Low Confidence Rating Sparks Patch Debate
CVE-2026-41108, a newly published elevation-of-privilege vulnerability in the Windows DNS Client, has surfaced as part of Microsoft’s June 2026 security update batch. While the technical details...
Linux kernel one-bit bug CVE-2026-46300 gives root access; update WSL2 now.
The Linux kernel has a new local privilege-escalation vulnerability that requires immediate attention. Tracked as CVE-2026-46300, the flaw is a one-bit bug in the kernel’s networking stack that can...
Microsoft Patches CVE-2026-41091: Defender Engine EoP Fixed in v1.1.26040.8
Microsoft patched a high-severity elevation-of-privilege vulnerability in its Malware Protection Engine on May 20, 2026. The flaw, tracked as CVE-2026-41091, could allow an attacker to gain...
Patch Azure Monitor Agent Flaw CVE-2026-42830 to Block Privilege Escalation
Microsoft’s May 2026 Patch Tuesday brought a critical reminder that even trusted monitoring tools can become an attack vector. Among the security updates released on May 12, 2026, CVE-2026-42830...
Patch Azure Arc now: CVE-2026-40381 gives local attackers SYSTEM or root access.
Microsoft disclosed CVE-2026-40381 on May 12, 2026, an Important-rated elevation-of-privilege vulnerability in the Azure Connected Machine Agent. The flaw allows an attacker with local access to a...
Microsoft Holds Back Technical Details on Azure Portal Admin Center Privilege Escalation Flaw
Microsoft’s Security Response Center (MSRC) has published CVE-2026-41086, an elevation-of-privilege vulnerability affecting the Windows Admin Center experience integrated into the Azure Portal. The...
Patch Tuesday Fix: CVE-2026-40420 Lets Local Users Escalate Office Click-To-Run to SYSTEM
Microsoft has disclosed CVE-2026-40420, an Important-rated elevation-of-privilege vulnerability in Microsoft Office Click-To-Run, the core deployment and update technology for Microsoft 365 Apps for...