CTI · reported · 2026-09-09

Microsoft Record Patch Tuesday: 206 Vulnerabilities Fixed, Including 3 Zero-Days (GreenPlasma, YellowKey, HTTP/2 Bomb)

Full story & timeline

MITRE ATT&CK

• T1068 Exploitation for Privilege Escalation Privilege Escalation
• T1190 Exploit Public-Facing Application Initial Access

Indicators

No curated indicators tied to this case.

Detections

No detection content yet — case analysis did not yield signal-specific telemetry. Check back after the next daily CTI pass.

References

• https://bleepingcomputer.com/news/security/microsoft-september-2026-patch-tuesday/
• https://cyberpress.org/microsoft-patch-tuesday-september-2026/