Microsoft patches YellowKey, GreenPlasma, MiniPlasma zero-days
Source Bleeping Computer
Mentioned vulnerabilities
Rated High by Threat Radar from the Bleeping Computer text
Data as of 11 Jun 2026, 15:54 UTC
What to do
AI-suggested
Microsoft has released official patches for GreenPlasma, MiniPlasma, and YellowKey vulnerabilities as part of the June 2026 Patch Tuesday updates. Applying these updates fully mitigates the risks associated with these zero-days. For YellowKey, Microsoft also provided mitigation guidance to defend against potential attacks prior to patching. Users and administrators should prioritize deploying the June 2026 security updates to affected Windows systems. No additional action is required beyond applying the official patches and following vendor guidance.
Description
On Tuesday, Microsoft patched two zero-day vulnerabilities that let attackers gain SYSTEM privileges on fully patched Windows systems, and a third one that grants access to BitLocker-protected drives. [...]