Critical Exploitation of CVE-2026-20045 and Microsoft Patch Updates

Critical Exploitation of CVE-2026-20045 and Microsoft Patch Updates

First seen 11 Feb 2026, 03:18 UTC DarkreadingFeeds.Feedburner 41.3

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Cisco identified CVE-2026-20045 as a critical vulnerability, enabling complete system takeover if exploited. Mass scanning for this vulnerability began shortly after its public disclosure. Meanwhile, Microsoft addressed approximately 60 vulnerabilities in its products through its February 2026 Patch Tuesday updates.

Timeline

2026-01-21
CVE-2026-20045 published and added to CISA KEV
2026-01-22
First public PoC for CVE-2026-20045 released
2026-01-23
Mass scanning for CVE-2026-20045 reported
2026-02-10
Microsoft Patch Tuesday updates released fixing 60 vulnerabilities