Microsoft's September 2026 Patch Tuesday is its largest ever, fixing a record 966 vulnerabilities, including 105 rated critical and two zero-days already being exploited in attacks. BleepingComputer reports: This Patch Tuesday addresses 105 "Critical" vulnerabilities, 81 of which are remote code execution, 20 are elevation of privileges, 2 are information disclosure, and 1 security feature bypass.
The approximate number of bugs in each vulnerability category is listed below:
- 438 Elevation of Privilege Vulnerabilities
- 19 Security Feature Bypass Vulnerabilities
- 258 Remote Code Execution Vulnerabilities
- 173 Information Disclosure Vulnerabilities
- 56 Denial of Service Vulnerabilities
- 16 Spoofing Vulnerabilities Last month, Microsoft's Patch Tuesday updates fixed 570 security flaws, following 400 vulnerabilities patched in August.