Security researcher Chaotic Eclipse (also known as INFINITE NIGHTMARE, MSNightmare, and Nightmare-Eclipse) has released a proof-of-concept (PoC) for a new Microsoft zero-day…
August 2026 Patch TuesdayChaotic EclipseCISACISA KEV
Microsoft has released security updates to address a critical privilege escalation vulnerability in its Microsoft Malware Protection Engine, tracked as CVE-2026-50656 (CVSS…
The Microsoft Malware Protection Engine (mpengine.dll) is the component affected by CVE-2026-50656 (RoguePlanet), a privilege escalation vulnerability.