windows

At Build 2026 in San Francisco, Microsoft unveiled Project Polaris to replace GPT-4 Turbo in GitHub Copilot, open-sourced the Windows Agent Framework, and previewed the Windows Agent Runtime and Azure Agent Mesh.

Kaspersky found official DAEMON Tools Lite installers trojanized from April 8 to May 5, 2026, deploying a multi-stage backdoor to over a dozen targeted machines. CISA added CVE-2026-8398 to its KEV catalog on May 27.

A researcher named Chaotic Eclipse released a working exploit for an unpatched Windows privilege escalation flaw in the Cloud Filter driver, confirmed to grant SYSTEM access on fully patched Windows 11.

After a March 2026 launch that left users contending with broad ACL changes and stale sandbox profiles, OpenAI published a stricter design splitting Codex into offline and online local users with DPAPI-protected credentials and a command-runner handoff.

CISA added CVE-2026-32202 and CVE-2024-1708 to the Known Exploited Vulnerabilities catalog on April 28, giving federal agencies until May 12 to patch a zero-click NTLM coercion flaw whose Patch Tuesday entry carried no exploitation marker.

Microsoft's March 2026 security update addresses 84 vulnerabilities across Windows, Office, Azure, SQL Server, and .NET, with two publicly disclosed zero-days, eight critical-rated flaws, and a 9.8-severity remote code execution bug discovered by an autonomous AI agent.

Microsoft's February Patch Tuesday fixes 58 flaws including six zero-days already under attack, with CISA ordering immediate federal remediation.