Latest cybersecurity reporting from selected sources.

Cybersecurity researchers have flagged a new class of CI/CD workflow weakness that allows attackers to hijack workflows and compromise open-source supply chains

A single click on a trusted Microsoft link could have let an attacker pull emails, calendar details, and indexed files out of Microsoft 365 Copilot Enterprise Search

“Ghost-Sender" is the result of a widespread misconfiguration, according to researchers, and evidence indicates it's being actively abused in the wild.

Also: Gas Station Monitoring Systems Under Attack, Spanish Teen Doxer ArrestedThis week, more happened than fits here: Microsoft tried to make nice with researchers, gas tank gauges under attack in the United States, fake FIFA websites are everywhere. Russia cried cyberespionage, Spanish police arrested a teenage doxer, a Oracle WebLogic flaw was actively exploited.

Gamaredon exploits a WinRAR flaw to drop modular, nearly fileless malware on Ukrainian targets, hiding payloads in Windows streams and resolving C2s via Telegram. Sekoia’s Threat Detection & Research team dropped a YARA rule in late December 2025 to hunt for new initial access vectors, and by January 2026 it had already generated a dozen […]

Hidden Install Settings Let Malicious MCP Links Execute CodeMicrosoft patched a high-severity flaw in Visual Studio Code after researchers found attackers could hide malicious settings inside MCP server install links, giving them persistent access to developer machines through what appeared to be routine artificial intelligence tool installations.

Windows Admin Center flaws mean on-prem can attack cloud, and vice-versa Black Hat Asia Israeli researchers found a series of flaws in Microsoft's Windows Admin Center (WAC) and suggest this shows hybrid cloud management tools are a two-way attack surface that users don't spend enough time worrying about.…

Microsoft has awarded $2.3 million to security researchers after receiving nearly 700 submissions during this year's Zero Day Quest hacking contest. [...]

Researchers who found the flaws scored beer money bounties and warn the problem is probably pervasive Exclusive Security researchers hijacked three popular AI agents that integrate with GitHub Actions by using a new type of prompt injection attack to steal API keys and access tokens, and the vendors who run agents didn’t disclose the problem.…

Cybersecurity researchers have disclosed multiple security vulnerabilities in four popular Microsoft Visual Studio Code (VS Code) extensions that, if successfully exploited, could allow threat actors to steal local files and execute code remotely

Also, SmarterMail Flaw, Nike Breach Probe, Empire Market Co-Creator Pleads GuiltyThis week, researchers exposed an Android RAT abusing Hugging Face. Attackers exploited a SmarterMail flaw. Automakers raised cyber spending. CISA flagged a VMware bug. Microsoft patched Office. An Empire Market co-creator pleaded guilty. Nike probed a breach.

Microsoft has pushed back against claims that multiple prompt injection and sandbox-related issues raised by a security engineer in its Copilot AI assistant constitute security vulnerabilities. The development highlights a growing divide between how vendors and researchers define risk in generative AI systems. [...]

Microsoft now pays security researchers for finding critical vulnerabilities in any of its online services, regardless of whether the code was written by Microsoft or a third party. [...]

Devs and users should know better, Microsoft tells watchTowr Security researchers have revealed a .NET security flaw thought to affect a host of enterprise-grade products that they say Microsoft refuses to fix.…

Chinese Hackers Target European Diplomats with LNK File FlawChinese nation-state hackers are exploiting a Windows vulnerability to hack European diplomatic outposts, say security researchers - but operating system giant Microsoft says the flaw doesn't merit a patch. Hackers used a flaw already compromised by North Korea and Russia.

Cybersecurity researchers have disclosed details of four security flaws in Microsoft Teams that could have exposed users to serious impersonation and social engineering attacks

Cybersecurity researchers have lifted the lid on the threat actors' exploitation of a now-patched security flaw in Microsoft Windows to deploy the PipeMagic malware in RansomExx ransomware attacks

Cybersecurity researchers have uncovered multiple security flaws in Dell's ControlVault3 firmware and its associated Windows APIs that could have been abused by attackers to bypass Windows login, extract cryptographic keys, as well as maintain access even after a fresh operating system install by deploying undetectable malicious implants into the firmware

Hello loophole could let a rogue admin, or a pwned one, inject new facial scans Black Hat Microsoft is pushing hard for Windows users to shift from using passwords to its Hello biometrics system, but researchers sponsored by the German government have found a critical flaw in its business implementation.…

Over 400 Organizations Breached Via Ongoing ToolShell Attacks, Researchers WarnThe U.S. government agency that maintains and designs America's nuclear weapons was reportedly breached by attackers exploiting zero-day flaws in on-premises Microsoft SharePoint servers, with researchers now counting over 400 victims, including European and Middle Eastern governments.