#CVE-2026-21513

1 article

APT28 Exploits CVE-2026-21513: MSHTML 0-Day Intelligence

Akamai reports Russia-linked APT28 exploited CVE-2026-21513 in the MSHTML Framework as a zero-day before Microsoft's February 2026 security patch updates.

Runtime Rebel Intel

3 min read·Mar 2, 2026