Windows 10 is a technology platform tracked across 49 threat clusters and 51 intelligence report mentions on ThreatCluster. First observed October 28, 2025; most recent activity July 17, 2026.
Windows 10 is Microsoft's desktop operating system that supports a broad range of devices and enterprise deployments. It features a modern security model and relies on regular updates, with Extended Security Updates (ESU) used to extend support after mainstream lifecycles. In cybersecurity terms, it remains a high-priority patching target due to its persistent presence in networks and the complexities of ESU deployment, which can create exposure if enrollment or update delivery fails.
A critical vulnerability in FortiWeb Web Application Firewall (WAF) has been actively exploited, allowing attackers to gain full administrative access to affected systems. Organizations using FortiWeb are at risk of…
On March 10, 2026, Microsoft released its Patch Tuesday updates, fixing 79 vulnerabilities, including two zero-day flaws. The updates address critical vulnerabilities across various products, with one zero-day actively…
On July 14, 2026, Microsoft released the Windows 10 KB5099539 extended security update, addressing a record 570 vulnerabilities, including two actively exploited zero-day flaws. This update is part of the July 2026…
Security researcher Nightmare-Eclipse has disclosed two critical zero-day vulnerabilities affecting Windows 11 and Windows Server 2022/2025. The first, YellowKey, allows attackers to bypass BitLocker encryption,…
A newly discovered Windows zero-day exploit, named MiniPlasma, allows attackers to gain SYSTEM-level privileges on fully patched Windows systems. The exploit targets the cldflt.sys Cloud Filter driver, specifically the…
The anonymous security researcher known as Nightmare-Eclipse has been banned from both GitHub and GitLab due to the release of multiple unpatched Windows vulnerabilities. GitHub terminated the account on May 25, 2026,…
A new data extortion group named Helix has emerged, utilizing identity-focused tactics such as vishing and device code phishing to exploit Microsoft 365 environments. The group primarily targets SharePoint, employing…
Forescout Technologies' '2026 Riskiest Connected Devices' report indicates a significant shift in cybersecurity risks, with network infrastructure now deemed the highest-risk category in IT environments. The report…
BeyondTrust has issued a warning regarding a critical remote code execution (RCE) vulnerability in its Remote Support and Privileged Remote Access software. The flaw, tracked as CVE-2026-1731, allows unauthenticated…
A security researcher, known as Chaotic Eclipse, has publicly released exploit code for a zero-day vulnerability in Windows, dubbed BlueHammer, allowing local privilege escalation to SYSTEM or elevated administrator…