Tekin Night May 16, 2026 is here! A terrifying night for global cybersecurity; from OpenAI getting hacked via supply chains to critical zero-days in Microsoft servers.
🌙 Tekin Night May 16, 2026 Saturday Night | Security News, Hacks & Major Investments Saturday night May 16, 2026 brings six major stories: a critical Microsoft Exchange vulnerability being actively exploited,
two OpenAI employee devices compromised in TanStack attack, macOS bugs discovered by Anthropic Mythos, Mira Murati launching Thinking Machines with human-in-the-loop approach, CFTC using AI to detect insider
trading on Polymarket, and Rapido India raising $240M at $3B valuation. Tonight's focus is on cybersecurity and strategic developments. 👋 Welcome to Tekin Night Tonight we're covering six major stories
ranging from critical security vulnerabilities to massive investments. If you read Tekin Morning this morning, you know it was an exciting day — from lifetime AI access to the OpenAI-Apple lawsuit. But
tonight our focus is different: cybersecurity . Our first three stories are all about attacks, vulnerabilities, and bugs — things you need to take seriously. The next three are about innovation, regulation,
and investment. Let's dive in! [IMAGE_PLACEHOLDER_1] 🚨 Microsoft Exchange Under Attack: CVE-2026-42897 Actively Exploited If your company uses Microsoft Exchange, you need to patch right now . The critical
vulnerability CVE-2026-42897 with a CVSS score of 9.8/10 is currently being actively exploited by hackers. According to reports from BleepingComputer and SecurityWeek, this bug allows attackers to execute
remote code without authentication. ⚠️ Vulnerability Details ID: CVE-2026-42897 CVSS Score: 9.8/10 (Critical) Type: Unauthenticated Remote Code Execution (RCE) Affected Versions: Exchange Server 2019,
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