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CRITICAL
Threat Intel
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
TH
INFO
Threat Intel
US Treasury Sanctions Russian Broker for Stolen Zero-Day Exploits
The US sanctions Artem Kruglov and associated firms for brokering stolen hacking tools and zero-day exploits for Russian intelligence services.
Runtime Rebel Intel
4 min read·Feb 25, 2026
TH
CRITICAL
Threat Intel
UNC6201 Exploits Dell RecoverPoint Zero-Day CVE-2026-22769
Mandiant and GTIG detail UNC6201's exploitation of CVE-2026-22769 in Dell RecoverPoint for VMs, deploying GRIMBOLT backdoor and novel VMware TTPs.
Runtime Rebel Intel
6 min read·Feb 25, 2026
VU
CRITICAL
Vulnerabilities
Microsoft February 2026 Security Update: Analysis of Six Actively Exploited Zero-Days
Microsoft's latest security release addresses 50+ vulnerabilities, including six zero-day exploits targeting Windows kernel components and browser engines.
Runtime Rebel Intel
2 min read·Feb 23, 2026