October 2026

Critical PwnEscape Linux Kernel Vulnerability Lets Guest VMs Read Host Memory

A newly disclosed critical flaw in the Linux kernel allows code inside a virtual machine to read memory on the host computer it runs on. A researcher demonstrated the leak against Vercel’s live cloud sandboxes, and Vercel confirmed it.

The flaw, now tracked as CVE-2026-99999 and nicknamed PwnEscape, is in the Linux kernel’s networking code, not in any one cloud’s setup, so it reaches the shared

  • October 16, 2026

ThreatsDay: Adobe RCE, DNS Wallet Theft, NVIDIA Container Escape, Self-Healing Backdoor + 23 More

Someone built a tool to steal data, then decided it should scare the victim for fun. Yes, that’s an actual feature. And somehow, it fits right in with this week’s security stories.

The rest gets interesting in different ways. A small permission can lead to a big theft. A trusted login can hide the wrong person. Old bugs are finding new victims, familiar tools are being put to strange uses, and

  • October 16, 2026

Citizen Lab Traces Zero-Click Candiru Spyware Infections at Al Jazeera to Targeted Online Ads

Candiru, an Israeli maker of spyware sold to governments, infected devices at the news network Al Jazeera through ordinary online ads, in attacks that needed no click or other action from the user, researchers at the Citizen Lab said Thursday.

The hidden attack code ran the moment an ad loaded on the screen, and in some cases the ad loaded out of sight, in the background.

The Citizen

  • October 16, 2026

Silent Lynx Exploits WinRAR Flaw to Deploy Reverse Shell in CIS Government Attacks

The threat actor known as Silent Lynx has been attributed to a fresh set of attacks targeting government organizations across the Commonwealth of Independent States (CIS).

The activity, observed from June 2025 through August 2026, involves four different infection chains that make use of macro-enabled documents, PS2EXE downloaders, GitHub-hosted PowerShell, and crafted WinRAR archives

  • October 16, 2026