#cve-2026-21509
#cve-2026-21509

[ follow ]

#microsoft-office #zero-day #apt28 #apt28-fancy-bear #minidoor #ole-mitigations #security-patch #systemic-risk

fromComputerWeekly.com

Information security

The world's default productivity tool is becoming a national security liability | Computer Weekly

fromSecurityWeek

Information security

Russia's APT28 Rapidly Weaponizes Newly Patched Office Vulnerability

fromComputerWeekly.com

Information security

The world's default productivity tool is becoming a national security liability | Computer Weekly

fromSecurityWeek

Information security

Russia's APT28 Rapidly Weaponizes Newly Patched Office Vulnerability

#apt28-fancy-bear

fromArs Technica

Information security

Microsoft releases urgent Office patch. Russian-state hackers pounce.

Russian-state hackers weaponized Microsoft Office vulnerability CVE-2026-21509 within 48 hours to deploy encrypted, fileless in-memory backdoors against diplomatic, maritime, and transport organizations.

fromTheregister

Information security

Russia-linked attackers abuse new Microsoft Office zero-day

Russia-linked APT28 (Fancy Bear) is exploiting Microsoft Office zero-day CVE-2026-21509 to target Ukrainian government and EU organizations.

fromArs Technica

Information security

Microsoft releases urgent Office patch. Russian-state hackers pounce.

fromTheregister

Information security

Russia-linked attackers abuse new Microsoft Office zero-day

more#apt28-fancy-bear

Information security

fromThe Hacker News

APT28 Uses Microsoft Office CVE-2026-21509 in Espionage-Focused Malware Attacks

Russia-linked UAC-0001 exploited CVE-2026-21509 in malicious Office RTFs to deliver MiniDoor and PixyNetLoader targeting users in Ukraine, Slovakia, and Romania.

#microsoft-office

fromTechRepublic

Information security

Microsoft Issues Emergency Patch for Active Office Zero-Day

Information security

Use Microsoft Office? Hackers can infect your PC with a malicious document - patch it ASAP

fromTheregister

Information security

Office zero-day exploited, forces Microsoft OOB patch

fromSecurityWeek

Information security

Microsoft Patches Office Zero-Day Likely Exploited in Targeted Attacks

fromThe Hacker News

Information security

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

fromTechRepublic

Information security

Microsoft Issues Emergency Patch for Active Office Zero-Day

Information security

Use Microsoft Office? Hackers can infect your PC with a malicious document - patch it ASAP

fromTheregister

Information security

Office zero-day exploited, forces Microsoft OOB patch

fromSecurityWeek

Information security

Microsoft Patches Office Zero-Day Likely Exploited in Targeted Attacks

fromThe Hacker News

Information security

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

more#microsoft-office

[ Load more ]