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Website title: Qualys Security Blog | Expert network security guidance and news

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Key Takeaways RedSun is a critical zero-day vulnerability in Microsoft Defender that allows low-privileged users to gain SYSTEM access No patch is currently available, leaving all Defender-enabled Windows systems potentially exposed Qualys VMDR detects affected assets instantly (QID 92382) TruRisk Eliminate enables immediate mitigation, removing exploitability witho...

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Oracle released its second quarterly edition of this year’s Critical Patch Update. The update received patches for 481 security vulnerabilities. Some of the vulnerabilities addressed in this update impact more than one product. These patches address vulnerabilities in various product families, including third-party components in ...


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Executive Summary

In the last 12 months, enterprises deployed millions of patches, yet many organizations remain exposed due to delayed remediation and unpatched third-party software. Key benchmarks from global enterprise environments: Over 8 million Google Chrome patches were deployed. Visual C++ and .NET remained among the most delayed in patching. The aver...


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Key Takeaways Qualys VMDR and TotalCloud are now available on the Oracle Cloud Marketplace, simplifying procurement and deployment for Oracle Cloud Infrastructure (OCI) customers. Organizations can deploy security faster with native OCI integration and one-click provisioning. The combined platform delivers unified visibility across c...

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April 2026’s Patch Tuesday arrives with Microsoft addressing a fresh set of vulnerabilities across its ecosystem, reinforcing the ongoing need for timely patching in an increasingly threat-heavy landscape. Here’s a quick breakdown of what you need to know.

Microsoft Patch Tuesday for April 2026

This month’s release addresses 163


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