APT28 Linked to CVE-2026-21513 MSHTML Zero Day Exploited Ahead of Feb 2026 Patch Tuesday
A high severity Microsoft vulnerability patched during February 2026 Patch Tuesday may have been actively exploited by the Russia linked threat group APT28, according to new research from Akamai. The flaw, tracked as CVE-2026-21513 with a CVSS score of 8.8, affects the MSHTML Framework and enables attackers to bypass key Windows security protections. Microsoft described […]
APT28 Linked to CVE-2026-21513 MSHTML Zero Day Exploited Ahead of Feb 2026 Patch Tuesday Read More »









