Cyberattacks Target Ukraine and EU via Microsoft Office Vulnerability

Cyberattacks Target Ukraine and EU via Microsoft Office Vulnerability

First seen 2 Feb 2026, 20:54 UTC •ThecyberexpressInfosecurity-MagazineCybersecuritynewsCyberpressMezha+39 •67% similarity •49.5

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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 as communications from the Ukrainian Hydrometeorological Center to gain access to victims' systems.

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