July 27, 2026
GitLab default-config RCE received a full technical write-up detailing memory-corruption bugs in the Oj JSON parser, and a working NGINX RCE exploit (CVE-2026-42533) was open-sourced. A Linux kernel local privilege-escalation flaw (CVE-2026-31431) affects all mainstream distributions with no vendor patches yet, while a Fortinet FortiClient kernel driver vulnerability enables credential theft. Multiple new offensive tools emerged including Nocturne (Windows loader), NaX (C2 beacon), beignet (macOS shellcode), Waypoint (EDR-bypass driver), and RootHound (Linux privilege-escalation mapper). Claude Opus 5 achieved 30.2% on ARC-AGI-3 benchmark while WallBreaker jailbreak claims emerged targeting the model. Supply-chain attacks continued with malicious npm/PyPI packages including a Shai-Hulud worm variant and a disguised @copilot-mcp/apex macOS infostealer.
July 11, 2026
Progress Software is urging ShareFile customers to physically power down Storage Zone Controllers due to active zero-day exploitation tracked by watchTowr. Gitea Docker images are under active exploitation via a critical authentication bypass allowing attacker impersonation. CVE-2026-47291 in Windows HTTP.sys enables kernel code execution through TLS header parsing flaws, and CVE-2026-31431 ("Copy Fail") is a Linux kernel privilege escalation affecting all major distributions since 2017 with no fixed kernels shipped yet. Okta warns of vishing attacks enrolling rogue Entra ID passkeys to hijack Microsoft 365 accounts, while GigaWiper is a modular Golang backdoor bundling wiper, ransomware, and persistence functionality. Qilin leads 2026 ransomware volume with 708 tracked attacks, and Anthropic published the Jacobian lens, an interpretability technique revealing how Claude internally reasons through concepts.
July 6, 2026
The Gentlemen ransomware crew exploited a zero-day in a signed Kontron driver to disable endpoint defenses via BYOVD, gaining kernel-level access to terminate security processes before deploying ransomware. CVE-2026-46242 (Bad Epoll) now has a public proof-of-concept for a Linux kernel use-after-free that enables privilege escalation on 6.4+ kernels with 99% reliability. Medtronic is notifying 3.8 million individuals after a ShinyHunters data breach exposed personal and medical data. Multiple new red-team tools and offensive-security frameworks including T3MP3ST, goshs, and Knossos were released, alongside DOJ filings revealing how Microsoft telemetry helped the FBI identify alleged Scattered Spider member Peter Stokes via Windows Global Device ID correlation.
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 26, 2026
Gaslight, a Rust-based macOS stealer, is the first malware documented to embed prompt-injection payloads designed to sabotage AI-assisted malware analysis. ESET published a detailed breakdown of Gamaredon's 2025 arsenal, revealing six new PowerShell downloaders and extensive infrastructure laundering targeting Ukrainian government and military entities. Multiple critical vulnerabilities are being actively exploited, including CVE-2025-52465 in GeoServer for credential theft and CVE-2026-8461 in FFmpeg for remote code execution. curl patched a 24-year-old credential-leak vulnerability (CVE-2026-9079) alongside four additional flaws affecting SSH, STARTTLS, and proxy authentication.
June 23, 2026
The Five Eyes intelligence alliance warns that frontier AI models could reshape offensive cyber operations within months, lowering barriers to high-impact attacks. Meanwhile, dirkjanm disclosed a critical Entra ID Conditional Access bypass via resource exclusion, and researchers demonstrated multiple AI security flaws including DifyTap vulnerabilities in the Dify platform and AutoGen Studio RCE. The Klue data breach fallout expanded to include major security vendors like HackerOne, Huntress, Recorded Future, and Snyk, while a decade-old infostealer credential was used to hijack Brazil's Emergency Alert System at national scale.
June 21, 2026
Fortinet networks face massive credential exposure via FortiBleed affecting 86,644 devices, while North Korea's Sapphire Sleet compromised 145 Mastra npm packages with an infostealer, and Google Cloud Vertex AI SDK suffered a cross-tenant RCE vulnerability. Critical CVEs in Splunk, NGINX, Cisco SD-WAN, and Joomla are under active exploitation, alongside emerging AI-focused attacks including AutoJack and malicious JetBrains plugins stealing API keys.