Security Patch
The latest Security Patch coverage — news, analysis, and updates from the WindowsNews.AI desk.
cJSON 1.7.17 Crash Bug Opens Door to Denial of Service: What to Do Now
On April 26, 2024, a patch landed that plugs a seemingly tiny hole in a ubiquitous C library—one that, left unfixed, allows an attacker to crash applications and services with a single malformed...
CVE-2024-2757: Critical PHP DoS Vulnerability Threatens Web Servers
A critical denial-of-service vulnerability in PHP's mbstring extension has been identified and tracked as CVE-2024-2757, posing significant risks to web servers running PHP 8.3 and earlier versions....
Linux Kernel BPF Vulnerability CVE-2024-26884: 32-bit Integer Overflow Threat and Patch Analysis
A critical vulnerability in the Linux kernel's BPF (Berkeley Packet Filter) subsystem, identified as CVE-2024-26884, has been patched after discovery of a subtle integer overflow condition affecting...
Patch Now: A Tiny DNS Library Flaw Puts Your Windows Apps at Risk of Crashing Instantly
A parsing flaw in the c-ares asynchronous DNS library, used by countless applications including Node.js and curl, can be exploited to crash software with a single malicious DNS response. The heap...
CVE-2026-21255: Critical Hyper-V Security Bypass Vulnerability Demands Immediate Patching
Microsoft has issued a critical security advisory for CVE-2026-21255, a newly discovered Windows Hyper-V vulnerability classified as a Security Feature Bypass that could allow attackers to circumvent...
GitHub Fixes Copilot RCE Bug in JetBrains IDEs — Update Your Plugin Now
GitHub has shipped an emergency patch for a high-severity remote code execution vulnerability that resided in its Copilot integration for JetBrains IDEs. Tracked as CVE-2026-21516, the flaw allowed...
KB5043080 for Windows 11 23H2/22H2 Hardens Security, Speeds Up File Browsing
Microsoft's latest Windows 11 cumulative update, while lacking flashy new features, delivers essential security hardening and notable performance improvements that make it a critical installation for...
January 2026 Patch Tuesday Crisis: Microsoft's Emergency Updates After Widespread System Failures
Microsoft's January 2026 Patch Tuesday has descended into chaos, forcing the company to issue multiple out-of-band emergency updates after the initial security rollup triggered widespread system...
Microsoft KB5074109 Update Triggers System Crashes Despite Fixing Critical RCE Flaws
Microsoft's first cumulative Windows 11 update of 2026, delivered as KB5074109 on January 13, has created a significant divide between its security improvements and the operational disruptions...
January 2026 Windows 11 update KB5074109 patches 70+ flaws but breaks Azure Virtual Desktop
Microsoft's January 2026 cumulative update for Windows 11, KB5074109, represents a significant security release with critical patches and quality improvements, but has introduced notable challenges...
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...
Microsoft Patches New Windows SMB Elevation-of-Privilege Flaw – What You Need to Do Now
Microsoft’s January 2026 security updates include a fix for CVE-2026-20934, an elevation-of-privilege vulnerability in the Windows SMB Server. The flaw, which could allow an attacker to gain higher...