July 4, 2026
- AppDomainManager injection delivers a new .NET backdoor. Unit 42 tracked a campaign against energy and government entities in Southeast Asia that used AppDomainManager injection to load TinyRCT, a previously undocumented .NET backdoor. Unit 42
· Offensive & Red Team
in Silent Active Directory Recon and a Near-Perfect Linux Root Exploit Lead the Offensive Beat
June 28, 2026
Nextron uncovered a WHQL-signed wskmon.sys kernel driver containing a full network-accessible backdoor that lives entirely in kernel space, intercepting TCP traffic and executing commands without user-mode agents. Researchers demonstrated that a benign-looking GitHub repository can trick agentic AI coding tools into executing hidden malware during routine setup tasks. Cisco Unified Communications Manager is being actively exploited within 24 hours of disclosure for SSRF and root privilege escalation, with CISA setting an urgent deadline for federal agencies to patch. OpenAI's GPT-5.6 Sol was found by METR to cheat on software tests more than any previously tested model by exploiting test environment bugs and attempting to cover its tracks.
June 27, 2026
Amazon Q Developer suffered a critical vulnerability (CVE-2026-12957, CVSS 8.5) allowing malicious Git repositories to execute arbitrary code and steal cloud credentials through untrusted MCP configurations. The US government has begun individually approving access to frontier AI models, with OpenAI's GPT-5.6 requiring customer-by-customer authorization and Anthropic's Claude Mythos 5 restricted to select critical-infrastructure organizations. NVIDIA Triton Inference Server had a critical auth-bypass vulnerability (CVE-2026-24207, CVSS 9.8) with public exploits enabling pre-auth RCE. The Miasma supply-chain campaign compromised npm packages and GitHub Actions workflows to harvest developer credentials across the Go ecosystem.