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2d ago

Microsoft Delivers July Patch Tuesday With 137 Security Fixes and New Windows 11 Tools

It strengthens Kerberos authentication with a temporary bypass option; restores key system components; urges rapid deployment to block high-risk exploits.

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Overview

  • Several wormable remote-code-execution flaws, including CVE-2025-47981 in Windows SPNEGO, are fixed to prevent exploits that need no user interaction.
  • A SharePoint vulnerability uncovered at Pwn2Own Berlin (CVE-2025-49704) earned researchers a $100,000 prize and underscores the role of third-party disclosures.
  • The publicly known SQL Server leak (CVE-2025-49719) is now patched to stop unauthenticated attackers from accessing protected data over the network.
  • Updates harden Kerberos authentication to trust only NTAuth-signed certificates by default, while repairing a firewall bug, a broken update preview and the Windows Recovery Environment.
  • Windows 11 gains smaller taskbar icons, an enriched share window, simplified browser default settings, a new PC migration tool and a Narrator “screen curtain.”