Microsoft Office Zero-Day (CVE-2026-21509) - Emergency Patch Issued for Active Exploitation

https://thehackernews.com/2026/01/microsoft-issues-emergency-patch-for.html

https://x.com/home/status/2016048849593553181

https://x.com/home/status/2016067724737409233

https://x.com/home/status/2016147600001355831