Security News APT28 Tied to CVE-2026-21513 MSHTML 0-Day Exploited Before Feb 2026 Patch Tuesday TheHackerNews Daniel Bender 02 Mar 2026 APT28 exploited CVE-2026-21513, an MSHTML zero-day (CVSS 8.8), using malicious LNK files to bypass security controls and execute code.
