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The Hacker News 3 months ago

APT28 Tied to CVE-2026-21513 MSHTML 0-Day Exploited Before Feb 2026 Patch Tuesday

A recently disclosed security flaw patched by Microsoft may have been exploited by the Russia-linked state-sponsored threat actor known as APT28, according to new findings from Akamai

More from The Hacker News 2 Mar 2026, 11:36 p.m. Actively exploited CVE-2026-21513 0-Day Bypass CVE Disclosure Flaw Framework Microsoft Nation State Patch Patch Tuesday Russia Threat Actor Vulnerability

The Hacker News 4 months ago

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

The Russia-linked state-sponsored threat actor known as APT28 (aka UAC-0001) has been attributed to attacks exploiting a newly disclosed security flaw in Microsoft Office as part of a campaign codenamed Operation Neusploit

More from The Hacker News 3 Feb 2026, 10:12 p.m. Actively exploited CVE-2026-21509 CVE Disclosure Flaw Hacking Malware Microsoft Microsoft Office Nation State Russia Threat Actor Ukraine Zscaler

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APT28 Tied to CVE-2026-21513 MSHTML 0-Day Exploited Before Feb 2026 Patch Tuesday

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