Vulnerabilità · 211 giorni fa
APT28 exploited CVE-2026-21513, an MSHTML zero-day (CVSS 8.8), using malicious LNK files to bypass security controls and execute code.
Sfruttamento noto · CISA KEV
CVSS 8.8 HIGH: protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a… EPSS 16% (97º percentile). Patch Microsoft: 5077179.
Patch disponibile KB5077179 Scarica →
Data di correzione federale CISA 3 mar
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APT28 Tied to CVE-2026-21513 MSHTML 0-Day Exploited Before Feb 2026 Patch Tuesday
APT28 exploited CVE-2026-21513, an MSHTML zero-day (CVSS 8.8), using malicious LNK files to bypass security controls and execute code.
Riepilogo fornitore: Microsoft
Part of the PlainSec briefing for 2026-03-07