Security Alerts
The latest Security Alerts coverage — news, analysis, and updates from the WindowsNews.AI desk.
Linux Kernel Patch Fixes Scheduler Race That Could Escalate Privileges
The Linux kernel development community has addressed a subtle but significant concurrency vulnerability in the scheduler subsystem, tracked as CVE-2026-23225, which has been patched in recent kernel...
CVE-2026-23223: Critical XFS Scrub Use-After-Free Vulnerability Patched in Linux Kernels
A seemingly minor one-line coding error in the Linux kernel's XFS filesystem scrubber has created a critical security vulnerability with significant operational implications. Designated...
Valkey CVE-2026-21863: Critical Cluster Bus DoS Vulnerability Patched
A critical security vulnerability in the Valkey in-memory data store, tracked as CVE-2026-21863, has been patched after researchers discovered that a malformed cluster-bus packet could crash the...
Linux EROFS CVE-2026-23224 Patch Fixes Critical Race Condition in DirectIO
A critical security vulnerability in the Linux kernel's EROFS (Enhanced Read-Only File System) has been patched, addressing a race condition that could lead to kernel panics and system instability....
Linux Kernel Security: Virtio Crypto Race Condition Fix (CVE-2026-23229) Explained
A critical race condition vulnerability in the Linux kernel's virtio crypto subsystem has been patched, addressing a denial-of-service flaw that could cause system hangs under concurrent operations....
CISA KEV Update: Critical Cisco Catalyst SD-WAN Flaws Demand Immediate Patching
The Cybersecurity and Infrastructure Security Agency (CISA) has escalated the urgency for network administrators worldwide with its latest Known Exploited Vulnerabilities (KEV) Catalog update. On...
Cisco SD-WAN Critical Patch Alert: CISA KEV & ED 26-03 Demand Immediate Action
Cisco SD-WAN administrators worldwide are facing an unprecedented coordinated cybersecurity emergency. On February 25, 2026, multiple U.S. and allied government agencies issued simultaneous...
Erlang TFTP CVE-2026-21620 Path Traversal Vulnerability: Critical Security Alert
A significant security vulnerability has been discovered in the TFTP (Trivial File Transfer Protocol) implementation within Erlang/OTP, designated as CVE-2026-21620. This flaw represents a critical...
Read host files via hacked VM disk headers in CVE-2026-27211 cloud flaw.
A critical vulnerability in cloud hypervisor software has been discovered that allows attackers to manipulate virtual machine disk headers to read sensitive host system files, exposing fundamental...
Node.js tar library hardlink escape flaw (CVE-2026-26960) patched in version 7.5.8
A critical security vulnerability in the widely used Node.js tar library has been patched in version 7.5.8, addressing a hardlink escape flaw that could allow attackers to read and write arbitrary...
Critical bn.js DoS Vulnerability CVE-2026-2739: How maskn(0) Bug Threatens Node.js Applications
A subtle mathematical edge case in one of JavaScript's most widely used big-number libraries has escalated into a critical denial-of-service vulnerability affecting countless Node.js applications....
Werkzeug 3.1.6 patches path-traversal bug via embedded Windows device names
A critical security vulnerability in Werkzeug's safe_join() function has been assigned CVE-2026-27199, revealing that the widely-used Python web framework utility could still resolve paths ending...