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Microsoft September 2026 Patch Tuesday fixes 966 flaws, 2 zero-days
September 8, 2026 · BleepingComputer · Severity: CRITICAL
Microsoft released its September 2026 Patch Tuesday updates, fixing a record-breaking 966 security vulnerabilities including two zero-days actively exploited in the wild. The update addresses critical flaws across Windows, Office, Exchange, and other Microsoft products. Administrators are advised to prioritize deployment given the active exploitation.
Key Takeaways
- Active exploitation detected — patch immediately to prevent compromise
- Affected systems should be identified and prioritized for remediation
- Monitor for additional indicators of compromise as investigations evolve