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Zero-Day

4 articles

ShinyHunters Were Inside Two Weeks Before Oracle Noticed

A critical, unauthenticated RCE in Oracle PeopleSoft let ShinyHunters compromise universities and other organizations for weeks before Oracle's advisory caught up. Google notified 100+ potentially exposed organizations. The technical breakdown, IOCs, and what to hunt for.

17 June 2026
Threat Intelligence Vulnerability Zero-Day

RoguePlanet: Nightmare Eclipse's New Windows Defender LPE PoC After the June 2026 Patch

RoguePlanet is the latest public Nightmare Eclipse proof-of-concept targeting Microsoft Defender. The code points to a race condition that turns Defender cleanup behavior into SYSTEM execution.

10 June 2026
Windows Vulnerability Zero-Day

YellowKey: The BitLocker Bypass Hidden in Windows Recovery

A researcher discovered a zero-day that bypasses BitLocker encryption on Windows 11 using a USB stick and the recovery environment — and suspects the component may be intentional. CVE-2026-45585, CVSS 6.8. Microsoft released an official mitigation on May 21, 2026.

Updated 21 May 2026
Windows Vulnerability Encryption

CVE-2026-42897: Exchange Server Zero-Day Executes JavaScript Through Your Inbox

Microsoft's on-prem Exchange Server has an actively exploited XSS zero-day (CVSS 8.1). A single crafted email in OWA triggers arbitrary JavaScript — here's how it works and how to stop it.

16 May 2026
Cybersecurity Web Security Blue Team
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