# Microsoft hits record 1,400+ patches while eMudhra CA keys suffer catastrophic failure

> **Key takeaway:** Microsoft released a record-breaking 1,400+ security fixes in a single month, while the eMudhra Certificate Authority faced a massive compromise due to trivial private keys.

**Published:** 2026-10-23T14:00:49+00:00 
**Source:** Hackaday Hardware 
**Category:** open-hardware 
**Canonical URL:** https://fosswire.org/news/microsoft-hits-record-1400-patches-while-emudhra-ca-keys-suf.html 

## Summary
October's Microsoft Patch Tuesday saw a record 1,400+ vulnerabilities addressed, including 78 critical bugs. Simultaneously, the eMudhra Certificate Authority issued intermediate certificates with extremely weak, easily brute-forced private keys, forcing rapid responses from Chrome and Mozilla. While browsers responded quickly, the compromise poses long-term risks for IoT devices and software that does not check certificate revocation.

## Security Roundup: Microsoft Patches and CA Compromise
- **Microsoft Patch Tuesday**: Over 1,400 vulnerabilities fixed; 78 rated critical, many allowing remote code execution.
- **CVE-2026-96951**: A Windows Shell security feature bypass currently being exploited in the wild.
- **eMudhra CA Failure**: Eight intermediate certificates (TLS and code-signing) had private keys consisting of tiny integers (e.g., 4, 56, 230), making them trivial to recover.
- **Mitigation**: Chrome and Mozilla have blocked the affected certificates; Go language has hard-coded the bad keys into its standard library (CVE-2026-111943).

## Why it matters
The massive volume of Microsoft patches, attributed to LLM-driven bug hunting, increases the burden on system administrators, while the eMudhra incident highlights the danger of weak key generation in the global trust chain.