⚡ Weekly Recap: Fiber Optic Spying, Windows Rootkit, AI Vulnerability Hunting and More

Monday is back, and the weekend’s backlog of chaos is officially hitting the fan. We are tracking a critical zero-day that has been quietly living in your PDFs for months, plus some aggressive state-sponsored meddling in infrastructure that is finally coming to light. It is one of those mornings...

Simply opening a PDF could trigger this Adobe Reader zero-day

Opening the wrong PDF in Adobe Reader was enough to let criminals quietly spy on your computer and unleash more attacks, even though everything looked normal. A researcher analyzed a malicious PDF and found that it abused a previously unknown flaw a “zero‑day” in Adobe Acrobat Reader. When a vict...

Zero Day Quest 2026: $2.3 million awarded for vulnerability research

Protecting customers is at the core of Zero Day Quest. During the 2026 live hacking event, Microsoft partnered with the global security research community, representing more than 20 countries and a wide range of professional backgrounds, from high school students to college professors. Together,...

Command Injection

Overview aws-mcp is an AWS Model Context Protocol Server Affected versions of this package are vulnerable to Command Injection via improper validation of user-supplied input in the allowed commands process. An attacker can execute arbitrary system commands by supplying crafted input that is used ...

Vulnerabilities fixed in Microsoft Windows

Microsoft fixed vulnerabilities in Windows A malicious party can exploit the vulnerabilities to carry out attacks that can lead to the following categories of damage: - Denial-of-Service DoS - Manipulation of data - Accessing sensitive data - Execution of arbitrary code user privileges - Executio...

📄 Microsoft MMC MSC EvilTwin Local Admin Creation

Microsoft MMC MSC EvilTwin local admin creation exploit. !/usr/bin/env python3 Exploit Title: Microsoft MMC MSC EvilTwin - Local Admin Creation Date: 2025-11-22 Author: Mohammed Idrees Banyamer Author Country: Jordan GitHub: https://github.com/mbanyamer Vendor Homepage: https://www.microsoft.com...

Adobe Reader Zero-Day Exploited via Malicious PDFs Since December 2025

Threat actors have been exploiting a previously unknown zero-day vulnerability in Adobe Reader using maliciously crafted PDF documents since at least December 2025. The finding, detailed by EXPMON's Haifei Li, has been described as a highly-sophisticated PDF exploit. The artifact "Invoice540.pdf"...

APT28 Deploys PRISMEX Malware in Campaign Targeting Ukraine and NATO Allies

The Russian threat actor known as APT28 aka Forest Blizzard and Pawn Storm has been linked to a fresh spear-phishing campaign targeting Ukraine and its allies to deploy a previously undocumented malware suite codenamed PRISMEX. "PRISMEX combines advanced steganography, component object model COM...

Anthropic's Claude Mythos Finds Thousands of Zero-Day Flaws Across Major Systems

Artificial Intelligence AI company Anthropic announced a new cybersecurity initiative called Project Glasswing that will use a preview version of its new frontier model, Claude Mythos , to find and address security vulnerabilities. The model will be used by a small set of organizations, including...

PT-2026-31562

Open AI models detect vulnerabilities by analyzing code, configs, and system behavior step-by-step—like spotting the FreeBSD zero-day CVE-2024-47467 in the Mythos showcase. Even a 3B open model nailed it, matching bigger ones. The chart shows rankings flip across tasks: OWASP easy stuff vs. gnarl...

China-Linked Storm-1175 Exploits Zero-Days to Rapidly Deploy Medusa Ransomware

A China-based threat actor known for deploying Medusa ransomware has been linked to the weaponization of a combination of zero-day and N-day vulnerabilities to orchestrate "high-velocity" attacks and break into susceptible internet-facing systems. "The threat actor's high operational tempo and...

CVE-2026-34621

creationtimestamp| type| source ---|---|--- 2026-04-07 04:00:00+00:00| published-proof-of-concept| https://justhaifei1.blogspot.com/2026/04/expmon-detected-sophisticated-zero-day-adobe-reader.html 2026-04-11 04:00:00+00:00| exploited| https://helpx.adobe.com/security/products/acrobat/apsb26-43.ht...

Argus: Reorchestrating Static Analysis Via a Multi-Agent Ensemble for Full-Chain Security Vulnerability Detection

Recent advancements in Large Language Models LLMs have sparked interest in their application to Static Application Security Testing SAST, primarily due to their superior contextual reasoning capabilities compared to traditional symbolic or rule-based methods. However, existing LLM-based approache...

Storm-1175 focuses gaze on vulnerable web-facing assets in high-tempo Medusa ransomware operations

In this article 1. Storm-1175’s rapid attack chain: From initial access to impact 2. Mitigation and protection guidance 3. Microsoft Defender detections 4. Indicators of compromise The financially motivated cybercriminal actor tracked by Microsoft Threat Intelligence as Storm-1175 operates...

⚡ Weekly Recap: Axios Hack, Chrome 0-Day, Fortinet Exploits, Paragon Spyware and More

This week had real hits. The key software got tampered with. Active bugs showed up in the tools people use every day. Some attacks didn’t even need much effort because the path was already there. One weak spot now spreads wider than before. What starts small can reach a lot of systems fast. New...

A Multi-Agent Framework for Automated Exploit Generation with Constraint-Guided Comprehension and Reflection

Open-source libraries are widely used in modern software development, introducing significant security vulnerabilities. While static analysis tools can identify potential vulnerabilities at scale, they often generate overwhelming reports with high false positive rates. Automated Exploit Generatio...

PT-2026-30673

Name of the Vulnerable Software and Affected Versions Labcenter Electronics Proteus affected versions not specified Description A flaw exists in the parsing of PDSPRJ files due to insufficient validation of user-supplied data, leading to a type confusion condition. This allows remote attackers to...

Update your browser: Security fix for Chrome zero-day CVE-2026-5281

News, Security Update your browser: Security fix for Chrome zero-day CVE-2026-5281 Share April 4th, 2026 Hi everyone! The latest patches to Opera’s browsers address several recent vulnerabilities, including a zero-day exploit CVE-2026-5281. We recommend updating your browsers to the latest versio...

PT-2026-30388

Breaking CyberSecurity News For 2026.04.04 | Pithy Cyborg | Threats. Breaches. Intel. ➔ Google patched CVE-2026-5281, a use-after-free bug in Dawn WebGPU, marking the fourth Chrome zero-day exploited in the wild this year. Affected versions were updated to 146.0.7680.177/178 for Windows, macOS, a...

New Chrome Zero-Day CVE-2026-5281 Under Active Exploitation — Patch Released

Google on Thursday released security updates for its Chrome web browser to address 21 vulnerabilities, including a zero-day flaw that it said has been exploited in the wild. The high-severity vulnerability, CVE-2026-5281 CVSS score: N/A, concerns a use-after-free bug in Dawn, an open-source and...