On today's Signal Check, Adrian covers a dangerous new Windows zero-day giving attackers full system access, an actively exploited NGINX vulnerability hitting millions of sites, and why your summer running pace feels impossibly hard. Plus, Olympic marathoner Molly Seidel's shift from the road to ultrarunning reminds us that even elite athletes need to find what's fun again.

Stories covered:

- New Windows 'MiniPlasma' zero-day exploit gives SYSTEM access, PoC released (BleepingComputer) - https://www.bleepingcomputer.com/news/microsoft/new-windows-miniplasma-zero-day-exploit-gives-system-access-poc-released/

- NGINX CVE-2026-42945 Exploited in the Wild, Causing Worker Crashes and Possible RCE (The Hacker News) - https://thehackernews.com/2026/05/nginx-cve-2026-42945-exploited-in-wild.html

- Why Your Usual Running Pace Feels Harder in the Heat—and What to Do About It (Runner's World) - https://www.runnersworld.com/training/a71318220/running-intensity-in-heat/

- ‘It Just Wasn’t Fun Anymore’: Why Molly Seidel Stepped Away from Marathoning—and Is Thriving on the Trails (Runner's World) - https://www.runnersworld.com/news/a71166284/molly-seidel-ultra-trail-running/

- Victory! End-to-End Encrypted RCS Comes to Apple and Android Chats (EFF) - https://www.eff.org/deeplinks/2026/05/victory-end-end-encrypted-rcs-comes-apple-and-android-chats

- Ebola outbreak with uncommon strain erupts in Congo and Uganda; 65 deaths (Ars Technica) - https://arstechnica.com/health/2026/05/ebola-outbreak-confirmed-in-congo-and-uganda-246-suspected-cases-65-deaths/