# Microsoft Plugs Nearly 1,000 Security Holes – Krebs on Security

- Published: 2026-09-17T19:42:02.093Z
- Updated: 2026-09-17T19:42:02.093Z
- 1 source
- Topics: Crime, law and justice, Science and technology
- Involves: 113 of the bugs addressed today earned Microsoft’s “critical” rating, Microsoft Corp., fixes for CVE-2026-81963 and CVE-2026-85880 (two zero-day flaws), more than 2,600 vulnerabilities so far this year, updates for at least 570 security vulnerabilities (July), updates to plug at least 974 security holes in its Windows operating systems and other software

## How it developed

- 2026-09-17T19:42:02.093Z - Krebs on Security: [Microsoft Plugs Nearly 1,000 Security Holes – Krebs on Security](https://krebsonsecurity.com/2026/09/microsoft-plugs-nearly-1000-security-holes/)

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