Access Denied
The latest Access Denied coverage — news, analysis, and updates from the WindowsNews.AI desk.
Windows 11 C Drive Access Denied After February 2026 Update: Microsoft and Samsung Investigate Critical Bug
Microsoft and Samsung have launched a joint investigation into a critical Windows 11 bug that has left users unable to access their C: system drives following recent cumulative updates. The issue,...
Samsung Galaxy Book C Drive Lockout: How Windows Updates Triggered ACL Permission Failures
Microsoft and Samsung are investigating a critical Windows servicing incident affecting Samsung Galaxy Book laptops and some desktop systems. Users report their C drives becoming inaccessible after...
Windows 11 Insider Previews Finally Darken Legacy File Dialogs After Years of User Complaints
Windows 11 preview build 26100.5061, released to the Release Preview channel on August 14, 2025, contains a long-awaited improvement: legacy file operation dialogs now respect the system dark theme...
Windows 11 Insider Builds Finally Bring Dark Mode to Legacy File Dialogs
Microsoft has begun lighting up dark theme support for Windows 11’s long-ignored legacy file-operation dialogs, a move that closes one of the most jarring inconsistencies in the operating...
Critical Windows Flaw: Understanding the CVE-2025-49665 Privilege Escalation Vulnerability
Critical Windows Flaw: Understanding the CVE-2025-49665 Privilege Escalation Vulnerability A critical security vulnerability, identified as CVE-2025-49665, has been discovered in the Windows...
Critical BitLocker Vulnerability (CVE-2025-26637) Exposes Encrypted Data to Physical Attacks
Critical BitLocker Vulnerability (CVE-2025-26637) Exposes Encrypted Data to Physical Attacks A significant security flaw, identified as CVE-2025-26637, has been discovered in Microsoft's BitLocker, a...
CISA Flags Qualcomm Chipset Vulnerabilities: Critical Security Risks for Enterprises
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has escalated concerns for enterprises globally by adding multiple Qualcomm chipset vulnerabilities to its Known Exploited...
CISA Warns of Severe ICS Vulnerabilities Threatening Critical Infrastructure
The alarm bells ringing across critical infrastructure sectors grew louder this week as the U.S. Cybersecurity and Infrastructure Security Agency (CISA) issued advisory ICSA-25-126-03, revealing...
Detecting and Preventing Unauthorized Remote Access on Windows PCs
Introduction Unauthorized remote access to Windows PCs poses significant security risks, including data breaches, identity theft, and system damage. Recognizing the signs of such intrusions and...
Exploring CVE-2025-24076: Critical Windows 11 Vulnerability That Grants Admin Rights in 300ms
Introduction A critical local privilege escalation vulnerability known as CVE-2025-24076 has been discovered in Microsoft Windows 11, posing significant risks to users and enterprises alike. This...
Reset credentials to fix Outlook Error 0x80049dd3 access block on Windows 10/11
Microsoft Outlook users occasionally encounter the frustrating Error 0x80049dd3, which prevents access to their email accounts with an "Access Denied" message. This error typically appears when...
Widespread Microsoft 365 Outage Disrupts Outlook, Teams, and Core Cloud Services Globally
Overview of the Microsoft 365 Outage On March 1, 2025, a major outage struck Microsoft 365, severely impacting critical services such as Outlook, Teams, Word, Excel, and PowerPoint. Thousands of...