6 hours ago   securityweek

Microsoft Patches Office Zero-Day Likely Exploited in Targeted Attacks

Microsoft has released patches for CVE-2026-21509, a newly disclosed Office zero-day vulnerability that can be ...

3 hours ago   techradar.com

Worrying Microsoft Office security flaw patched - update now or risk hackers accessing your files

· Microsoft issues emergency patch for Office zero-day CVE-2026-21509 · Vulnerability allows attackers to bypass ...

10 hours ago   theregister.co.uk

Office zero-day exploited in the wild forces Microsoft OOB patch

Another actively abused Office bug, another emergency patch – Office 2016 and 2019 users are ...