Frequency
2
occurrences
First Seen
January 26, 2026
Last Seen
February 2, 2026
Related Threat Clusters
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Cyberattacks Target Ukraine and EU via Microsoft Office Vulnerability
CERT-UA has reported a new wave of cyberattacks targeting Ukrainian government agencies and EU organizations, exploiting the Microsoft Office vulnerability CVE-2026-21509. Attackers are using malicious emails disguised…
59 articles · Updated February 2, 2026 -
Emergency Patch Released for Microsoft Office Due to Exploited Vulnerability
Microsoft has issued an emergency patch for a vulnerability, CVE-2026-21509, affecting Microsoft 365 Apps for Enterprise and Office 2019 and 2016. The flaw is currently being exploited in phishing attacks targeting…
1 article · Updated January 26, 2026
Recent Intelligence Reports
- Fancy Bear Exploits Microsoft Office Flaw in Ukraine, EU Cyber — Infosecurity-Magazine · February 2, 2026
- Emergency Patch Issued for Microsoft Office, 365 Over Hacking Threat — Uk.Pcmag · January 26, 2026