DanSec

Vulnerability

CVE-2026-21509

In 4 briefs, most recently 10 February 2026. RSS for this tag

Published 2026-01-26

Learn more: DanSec Explorer ↗ NVD ↗ CVE.org ↗ CISA KEV ↗

Known exploited (CISA KEV)

Microsoft Office Security Feature Bypass Vulnerability.

Added 2026-01-26

Coverage in DanSec Daily

  1. UNC3886 breaches Singapore's top telcos, Warlock exploits SmarterMail to hit SmarterTools, and a Firebase flaw exposes 300M Chat & Ask AI messages.
  2. Notepad++ supply chain attack, ShinyHunters' Panera Bread leak of 5.1M records, and actively exploited SolarWinds Web Help Desk RCE added to CISA KEV.
  3. Lotus Blossom hijacks Notepad++ update channel, Panera Bread breach exposes 5.1M accounts, and 341 malicious OpenClaw AI skills found.
  4. Nike and SoundCloud breaches, ShinyHunters phishing of 100+ organizations, and the exploited Microsoft Office zero-day CVE-2026-21509.