Windows Admin Center (WAC) is a convenient, browser-based management hub for administrators to manage servers, clients, and clusters from a centralized interface. A recent Cymulate Research Labs disclosure describes a critical chain of flaws that let an attacker achieve unauthenticated, one-click remote code execution (RCE) against both Azure-integrated and on-premises WAC deployments. The exploit requires little user interaction—a maliciously crafted
Category: Cybersecurity
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How the Windows Snipping Tool’s CVE-2026-33829 Opens the Door to NTLM Hash Theft
Microsoft patched a moderate-severity flaw in the Windows Snipping Tool in the April 14, 2026 security updates that could let attackers trick the application into leaking authentication material. Tracked as CVE-2026-33829 and reported by Blackarrow (Tarlogic), the issue stems from how Snipping Tool handles certain deep links and can result in an authenticated Server Message Block (SMB) connection to an
OpenAI’s GPT-5.4-Cyber: a practical boost for defenders — and a new risk calculus
OpenAI has introduced GPT-5.4-Cyber, a purpose-built variant of GPT-5.4 tuned to assist vetted security professionals with tasks previously reserved for specialized analysts. Rather than a general consumer release, this model is designed to lower refusal rates for legitimate cybersecurity workflows: binary reverse engineering, vulnerability scanning, malware analysis and exploit research. The announcement frames the model as a defensive accelerant —
Microsoft Patch Tuesday — April 2026: 168 Vulnerabilities Fixed, Including an Actively Exploited SharePoint Zero-Day
Microsoft’s April 2026 Patch Tuesday delivers a heavy set of fixes: 168 vulnerabilities across Windows, Office, Azure components and developer tools. The release includes one confirmed actively exploited zero-day in SharePoint Server (CVE-2026-32201) and a publicly disclosed elevation-of-privilege flaw in Microsoft Defender (CVE-2026-33825). Beyond those high-visibility issues, eight vulnerabilities are rated Critical — most of them Remote Code Execution (RCE)
Synology SSL VPN Client Flaws Let Remote Attackers Read Files and Expose PINs — Patch Now
Synology has released a security advisory addressing two important vulnerabilities in its SSL VPN Client that could allow remote attackers to access sensitive files and expose locally stored PINs. Both flaws require user interaction—specifically, visiting a crafted web page while the vulnerable client is running—but their consequences range from quietly reading configuration files and certificates to enabling interception of VPN
Micropatches for Windows Shell Bypass (CVE-2026-21510): What 0patch Fixed and Why It Matters
Microsoft released fixes earlier this year for CVE-2026-21510, a security feature bypass in Windows Explorer that let specially crafted shortcut (LNK) files execute a remotely hosted DLL without the usual security warning. Researchers observed exploitation in the wild and uploaded a sample to malware repositories, enabling vendors and defenders to reproduce the issue and protect legacy systems that no longer