#cve-2026-21509

[ follow ]
#microsoft-office #zero-day #ole-mitigations #security-patch #ole-bypass #security-update #zero-day-exploit
#microsoft-office
fromZDNET
2 days ago
Information security

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

fromSecurityWeek
2 days ago
Information security

Microsoft Patches Office Zero-Day Likely Exploited in Targeted Attacks

CVE-2026-21509 is an Office zero-day that bypasses OLE mitigations and is actively exploited; Microsoft released patches and CISA added it to the KEV catalog.
fromThe Hacker News
2 days ago
Information security

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

Microsoft released out-of-band patches for an OLE mitigation bypass zero-day (CVE-2026-21509) in Office; Office 2021+ gets service-side protection after restart.
fromZDNET
2 days ago
Information security

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

more#microsoft-office
[ Load more ]