Security Alerts
The latest Security Alerts coverage — news, analysis, and updates from the WindowsNews.AI desk.
AMD iGPU/GPU Linux Kernel Flaw Threatens System Security — Dual-Booters Must Act
On July 19, 2026, the Linux kernel project disclosed CVE-2026-64097, a local vulnerability in the AMD Display Core that allows an attacker with a crafted GPU firmware image to read sensitive kernel...
High-Severity Linux Audio Driver Flaw Fixed — Here’s Who Needs to Act
A lingering oversight in the Linux kernel’s ALSA audio framework has been patched after years of dormancy, addressing a vulnerability that could compromise specialized audio hardware used in...
Host-Crashing QEMU Bug Hits Windows Guests: Patch CVE-2026-3842 Now
A virtualization vulnerability tracked as CVE-2026-3842 lets a Windows guest on a QEMU/KVM host trigger an out-of-bounds memory write that crashes the host process, Microsoft confirmed in an advisory...
BusyBox 1.38.0 DoS Flaw Strikes Embedded Shells — Here’s How Windows Admins Should Respond
A newly disclosed vulnerability in the BusyBox 1.38.0 ash shell can be exploited remotely to crash devices and infrastructure critical to many Windows-centric networks. CVE-2026-38754, published by...
OpenSSL’s Key-Leaking DHX Flaw Puts Windows Apps at Risk: Here’s How to Respond
On June 9, 2026, a low-severity rating masked a serious cryptographic bug: OpenSSL’s DHX key validation could let an attacker reconstruct your private Diffie-Hellman key if the conditions are...
Realtek Wi-Fi Memory Leak Patched in Linux: What Windows Users Need to Know
The Linux kernel project has fixed a memory leak in the Realtek rtw88 USB Wi-Fi driver, patching a flaw that could slowly drain system memory on affected Linux devices. The fix, published on July 19,...
CVE-2026-63794: Linux KVM Host Bug Exposes AMD SEV-Protected Windows VMs to Memory Overflow
A newly disclosed vulnerability in the Linux kernel’s KVM hypervisor code can lead to a buffer overflow on AMD-powered hosts that use Secure Encrypted Virtualization (SEV), potentially breaking the...
WSL 2 Kernel Vulnerability Allows BPF Programs to Modify File Cache — Here’s How to Update
A newly disclosed flaw in the Linux kernel can let BPF programs write to file-backed memory they were never meant to touch. For anyone running WSL 2 on Windows 10 or 11, that bug lives right inside...
CVE-2026-63807: Patch Your Linux KVM Hosts to Stop Guest-Triggered Crashes
Published on July 19, 2026, a vulnerability in the Linux KVM hypervisor (CVE-2026-63807) can be exploited by a virtual machine guest to crash the entire physical host. The flaw lies in the shadow...
MediaTek Wi-Fi Kernel Bug Patched: Why Windows PCs Are Safe and Who Still Needs to Update
On July 19, 2026, the Linux kernel project published CVE-2026-63832, a vulnerability in the mt76 wireless driver that can corrupt kernel memory and crash systems using MediaTek MT7925 Wi-Fi adapters....
CVE-2026-63858: The Linux Kernel nftables Flaw That's Hiding in Your Windows Environment
On July 19, 2026, the National Vulnerability Database published CVE-2026-63858, a Linux kernel concurrency flaw in the netfilter nftables subsystem that can corrupt firewall state when network device...
Linux Bluetooth LE Audio Data Race Patched; WSL 2 Users Urged to Check Kernel
On July 19, 2026, the National Vulnerability Database published CVE-2026-63871, a newly disclosed data race in the Linux kernel’s Bluetooth ISO code. The bug sits squarely in the Linux networking...