Russian-state hackers wasted no time exploiting a critical Microsoft Office vulnerability that allowed them to compromise the ...
Within days of Microsoft patching a critical Office zero-day, the Russia-linked group “APT28” was already exploiting the flaw in a live campaign tracked as Operation Neusploit.
APT28 rushed to exploit the Office vulnerability CVE-2026-21509, with the first attacks observed just days after Microsoft announced fixes.
Ukraine's defenders have spotted a new hacking attack ...
The Register on MSN
Russia-linked APT28 attackers already abusing new Microsoft Office zero-day
Ukraine’s CERT says the bug went from disclosure to active exploitation in days Russia-linked attackers are already ...
Microsoft issued an out-of-band security update on Jan. 26 to address CVE-2026-21509, a Microsoft Office vulnerability the ...
APT28's attacks use specially crafted Microsoft Rich Text Format (RTF) documents to kick off a multistage infection chain to deliver malicious payloads.
Ukraine's Computer Emergency Response Team (CERT) says that Russian hackers are exploiting CVE-2026-21509, a recently patched vulnerability in multiple versions of Microsoft Office.
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