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DEF CON's $4M AI Cyber Challenge: What We Learned from the Winners

DEF CON's $4M AI Cyber Challenge: What We Learned from the Winners

At DEF CON 33, DARPA’s AI Cyber Challenge showcased autonomous systems finding and patching vulnerabilities faster and more accurately than ever. With top teams like Team Atlanta and Trail of Bits now open-sourcing their tools, AI is now a fundamental ally in critical infrastructure cybersecurity.

Microsoft Exchange Hybrid Privilege Escalation: CVE-2025-53786

Microsoft Exchange Hybrid Privilege Escalation: CVE-2025-53786

A critical elevation-of-privilege flaw in Exchange hybrid configurations (CVE-2025-53786) allows on-prem administrators to escalate into the cloud. With CISA mandating immediate action, organizations must apply Microsoft's guidance now to avoid domain-wide compromise.

Critical CVEs in Focus: What You Need to Patch Now

Critical CVEs in Focus: What You Need to Patch Now

This post highlights four high-severity CVEs—Trend Micro Apex One, Android GPU drivers, Apple WebKit, and Gigabyte firmware—and explains how to safeguard your systems now.

Gigabyte UEFI Firmware Flaws Open Door to Stealthy Bootkits (CVE-2025-7026 / 7027 / 7028 / 7029)

Gigabyte UEFI Firmware Flaws Open Door to Stealthy Bootkits (CVE-2025-7026 / 7027 / 7028 / 7029)

Four critical firmware vulnerabilities in Gigabyte motherboards can bypass Secure Boot and enable stealthy bootkits. Admin privileges alone—not OS-level access—could grant adversaries persistent control. Users must update BIOS immediately or consider hardware replacement for unsupported models.

Apple WebKit Zero-Day Under Active Exploitation (CVE-2025-6558)

Apple WebKit Zero-Day Under Active Exploitation (CVE-2025-6558)

A critical zero-day, CVE-2025-6558, is being exploited across both Chromium and WebKit engines. It allows sandbox escape through malformed HTML targeting GPU rendering components. Browser and OS updates are urgent and vital to maintain security posture.

Google Fixes Qualcomm GPU Exploits in August Android Update (CVE-2025-21479 & CVE-2025-27038)

Google Fixes Qualcomm GPU Exploits in August Android Update (CVE-2025-21479 & CVE-2025-27038)

Two Qualcomm GPU vulnerabilities have been patched in Android’s August 2025 update—bugs actively used in targeted attacks. Google users should update immediately to Patch Level 2025-08-05 or later. Discover what’s affected and how to stay safe.

Critical Trend Micro Apex One Zero-Day: Remote Code Execution via Management Console (CVE-2025-54948 / 54987)

Critical Trend Micro Apex One Zero-Day: Remote Code Execution via Management Console (CVE-2025-54948 / 54987)

Two critical command injection flaws in Trend Micro’s Apex One on-prem management console pose an active threat. Exploitation allows unauthenticated remote code execution. Trend Micro recommends using their temporary fix and restricting access until the official patch drops mid-August.