Tag: APT28

Cybersecurity Threat Advisory: APT28 targets Windows and Office via MSHTML zero‑day

Multiple security researchers and Microsoft have confirmed that the threat actor APT28 (Fancy Bear / Forest Blizzard) actively exploited a zero‑day vulnerability in the Microsoft MSHTML framework (CVE‑2026‑21513) prior to its fix in the February 2026 Patch Tuesday release. Read...