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Exploit / PoCcriticalExploited in the wild

Microsoft Patch Tuesday: 6 exploited zero-days fixed in February 2026

Help Net Securityby @zeljkazorz ()3 min read5 · 1 read
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Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2026-21510
+4 related CVEs
Security Feature Bypass in Microsoft Windows Shell Actively Exploited (CVE-2026-21510)
8.8
group max
61%KEV
KEV
CVE-2026-21514
Actively Exploited Security Feature Bypass in Microsoft Word (CVE-2026-21514)
7.82%KEV
KEV

From the original article

3 min read at helpnetsecurity.com

Microsoft has plugged 50+ security holes on February 2026 Patch Tuesday, including six zero-day vulnerabilities exploited by attackers in the wild. Among the zero-days fixed are three vulnerabilities that allow attackers to bypass a security feature. CVE-2026-21513 affects the MSHTML/Trident browser engine for the Microsoft Windows version of Internet Explorer, and CVE-2026-21514 affects Microsoft Word.

Help Net Security

By @zeljkazorz · helpnetsecurity.com

Read the full article at Help Net Security

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.