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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
INFO
Threat Intel
Windows 11 KB5077241: Native Sysmon Integration and BitLocker Updates
Microsoft integrates native Sysmon and enhances BitLocker management in the Windows 11 KB5077241 optional update, providing advanced telemetry for defenders.
Runtime Rebel Intel
4 min read · Feb 25, 2026
LOW
Vulnerabilities
Microsoft Investigating Mouse Pointer Bug in Classic Outlook
Microsoft confirms a bug in classic Outlook causing the mouse cursor to disappear during email composition. Discover the technical details and mitigation steps.
Runtime Rebel Intel
4 min read · Feb 24, 2026
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