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Microsoft Ships June Patch Tuesday Update to Fix 66 Vulnerabilities and Two Exploited Zero-Days

Installing the mandatory cumulative update is critical to block active exploits targeting CVE-2025-33053 or CVE-2025-5419

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Overview

  • Microsoft’s June 10 security release for Windows 11 and Windows 10 patches 66 vulnerabilities, including two zero-day flaws under active exploitation.
  • Stealth Falcon’s long-running WebDAV exploit (CVE-2025-33053) and a Chromium V8 memory corruption issue (CVE-2025-5419) are both addressed in the update.
  • Windows 11 version 24H2 is elevated to build 26100.4343 and Windows 10 builds update to 19045.5965 and 19044.5965 via KB5060842, KB5060999 and KB5060533.
  • New capabilities include AI-powered image descriptions in Narrator, enhanced Windows Search on Copilot+ PCs and Energy Saver policy controls through Microsoft Intune.
  • Adobe, SAP and Fortinet issued coordinated June security patches alongside Microsoft to close critical flaws across their platforms.