Hackers are abusing unpatched Windows security flaws to hack into organizations

Hackers are abusing unpatched Windows security flaws to hack into organizations

The first StrictlyVC of 2026 hits SF on April 30. Tickets are going fast. Register now. Save up to $680 on your Disrupt 2026 pass. Ends 11:59 p.m. PT tonight. REGISTER NOW. TechCrunch Desktop Logo TechCrunch Mobile Logo LatestStartupsVentureAppleSecurityAIApps EventsPodcastsNewsletters SearchSubmit Site Search Toggle Mega Menu Toggle Topics Latest Hackers are abusing unpatched Windows security flaws to hack into organizations Lorenzo Franceschi-Bicchierai 10:48 AM PDT · April 17, 2026 Hackers have broken into at least one organization using Windows vulnerabilities published online by a disgruntled security researcher over the last two weeks, according to a cybersecurity firm. On Friday, cybersecurity company Huntress said in a series of posts on X that its researchers have seen hackers taking advantage of three Windows security flaws, dubbed BlueHammer, UnDefend, and RedSun. It’s unclear

Source: https://techcrunch.com/2026/04/17/hackers-are-abusing-unpatched-windows-security-flaws-to-hack-into-organizations/