CTI · corroborated · 2026-08-27

Microsoft Defender Zero-Days (CVE-2026-41091, CVE-2026-45498) — Actively Exploited, CISA Adds to KEV

Full story & timeline

MITRE ATT&CK

• T1562 Impair Defenses Stealth
• T1068 Exploitation for Privilege Escalation Privilege Escalation

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://www.bleepingcomputer.com/
• https://malware.news/t/microsoft-defender/125104