CTI · corroborated · 2026-09-09

Microsoft's September 2026 Patch Tuesday fixes two zero-day flaws, CVE-2026-81963 and CVE-2026-85880, both exploited in the wild

Full story & timeline

MITRE ATT&CK

• T1068 Exploitation for Privilege Escalation Privilege Escalation

Indicators

Observables tied to this case, from the curated feed. raw sidecar

• cybersecurefox.com domain · active · corroborated

Detections

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

References

• https://securityonline.info/patch-tuesday-zero-day-september-2026/
• https://msrc.microsoft.com/update-guide/releaseNote/2026-Sep