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Windows Defender Exploit: RedSun 0day Uses Race Condition for System32 Privilege Escalation·MSFT +0.1%KB5082063 Forces Domain Controller Reboot Loops After LSASS Crashes on Windows Server 2022, 2019, 2016·NVDA +0.2%April 2026 Patch Tuesday Causes LSASS Crashes on PAM DCs: Microsoft Issues Emergency Guidance·GOOGL +0.5%April 2026 Media Creation Tool Update: Windows 11 24H2/25H2 Clean Install Improvements·AMZN -1.2%Windows Server 2025 Update Confusion Officially Resolved, But KB5082063 Introduces LSASS Memory Leak Risk·MSFT +0.1%April 2026 Patch Tuesday Causes Critical Windows Sign-In Failures and Domain Controller Reboot Loops·NVDA +0.2%CVE-2026-6299: Critical Chrome Prerender Use-After-Free Vulnerability Patched·GOOGL +0.5%Chrome 147.0.7727.101 Fixes Critical Use-After-Free Proxy Flaw·AMZN -1.2%Windows Defender Exploit: RedSun 0day Uses Race Condition for System32 Privilege Escalation·MSFT +0.1%KB5082063 Forces Domain Controller Reboot Loops After LSASS Crashes on Windows Server 2022, 2019, 2016·NVDA +0.2%April 2026 Patch Tuesday Causes LSASS Crashes on PAM DCs: Microsoft Issues Emergency Guidance·GOOGL +0.5%April 2026 Media Creation Tool Update: Windows 11 24H2/25H2 Clean Install Improvements·AMZN -1.2%Windows Server 2025 Update Confusion Officially Resolved, But KB5082063 Introduces LSASS Memory Leak Risk·MSFT +0.1%April 2026 Patch Tuesday Causes Critical Windows Sign-In Failures and Domain Controller Reboot Loops·NVDA +0.2%CVE-2026-6299: Critical Chrome Prerender Use-After-Free Vulnerability Patched·GOOGL +0.5%Chrome 147.0.7727.101 Fixes Critical Use-After-Free Proxy Flaw·AMZN -1.2%

Articles from 2026

Browse all Windows news articles published in 2026

12 articles Page 314 of 1115
Articles from 2026
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Local Privilege Escalation · Security Research

Windows Defender Exploit: RedSun 0day Uses Race Condition for System32 Privilege Escalation

A newly disclosed Windows Defender vulnerability allows attackers to achieve local privilege escalation by exploiting a race condition in the antivirus engine's file handling. Dubbed "RedSun" by...

SE Security Desk·8w ago
Domain Controllers · Lsass Crashes

KB5082063 Forces Domain Controller Reboot Loops After LSASS Crashes on Windows Server 2022, 2019, 2016

Microsoft's April 2026 Patch Tuesday update KB5082063 is causing critical LSASS crashes that force domain controllers into reboot loops, creating widespread Active Directory authentication failures...

SE Security Desk·8w ago
Active Directory · Pam Privileged Access

April 2026 Patch Tuesday Causes LSASS Crashes on PAM DCs: Microsoft Issues Emergency Guidance

Microsoft's April 2026 Patch Tuesday has triggered critical LSASS crashes on Privileged Access Management domain controllers, forcing administrators into emergency recovery mode. The security update...

SE Security Desk·8w ago
Clean Install · Kb5083769

April 2026 Media Creation Tool Update: Windows 11 24H2/25H2 Clean Install Improvements

Microsoft's April 2026 servicing wave includes significant updates to the Media Creation Tool that directly impact fresh Windows 11 installations. While most attention focuses on security patches and...

WN WindowsNews Desk·8w ago
Domain Controller · Kb5082063

Windows Server 2025 Update Confusion Officially Resolved, But KB5082063 Introduces LSASS Memory Leak Risk

Microsoft has officially marked the Windows Server 2025 update confusion as resolved in its Release Health dashboard, closing a chapter on one of the most disruptive Windows Server incidents in...

WN WindowsNews Desk·8w ago
Domain Controllers · Patch Tuesday

April 2026 Patch Tuesday Causes Critical Windows Sign-In Failures and Domain Controller Reboot Loops

Microsoft's April 2026 Patch Tuesday has triggered widespread authentication failures and domain controller instability, creating what administrators describe as the worst update-related crisis in...

SE Security Desk·8w ago
Chrome Security · Chromium Use After Free

CVE-2026-6299: Critical Chrome Prerender Use-After-Free Vulnerability Patched

Google has patched CVE-2026-6299, a critical use-after-free vulnerability in Chrome's prerendering component that received the highest severity rating in Chromium's security framework. The...

SE Security Desk·8w ago
Chrome Security · Cve-2026-6297

Chrome 147.0.7727.101 Fixes Critical Use-After-Free Proxy Flaw

Google has released Chrome 147.0.7727.101 to address CVE-2026-6297, a critical use-after-free vulnerability in the browser's proxy component. This security flaw carries a Critical Chromium severity...

SE Security Desk·8w ago
Chrome Security Update · Cve 2026 6298

Critical Skia Heap Overflow CVE-2026-6298 Patched in Chrome 147 and Edge: What Windows Users Need to Know

Google has patched a critical heap buffer overflow vulnerability in the Skia graphics library, designated CVE-2026-6298, with updates to Chrome 147.0.7727.101 and 147.0.7727.102 released on April 15,...

SE Security Desk·8w ago
Chrome Security · Cve-2026-6312

Chrome 147.0.7727.101 Patches High-Severity CVE-2026-6312 Password Leak Bug

Google has patched a critical security vulnerability in Chrome's password management system that allowed malicious websites to access sensitive credential data across origin boundaries. The flaw,...

SE Security Desk·8w ago
Browser Security · Chromecast

Patch Released for Chrome Cast RCE Vulnerability CVE-2026-6317 in Version 147.0.7727.101

Google has patched a high-severity use-after-free vulnerability in Chrome's Cast component, designated CVE-2026-6317, with the release of versions 147.0.7727.101 for Windows, Mac, and Linux, and...

SE Security Desk·8w ago
Canary Channel · It Administration

Xbox Mode debuts in Windows 11 Canary Build 29570.1000 alongside lock screen widgets.

Microsoft released Windows 11 Insider Preview Build 29570.1000 to the Canary Channel on March 19, 2025, marking a significant departure from routine updates. This build introduces three experimental...

WN WindowsNews Desk·8w ago