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A flaw in the Linux kernel's traffic-control subsystem can let a local unprivileged user gain root on affected systems. CVE-2026-46331, nicknamed "pedit COW," is an out-of-bounds write in the packet-editing action (act_pedit) that corrupts shared page-cache memory. A public, working exploit appeared within a day of the CVE assignment on June 16. Red Hat rates the flaw as

The cybersecurity startup provides threat hunting, proactive detection, and behavioral security analytics. The post Nebulock Raises $25 Million for AI-Native Contextual Security appeared first on SecurityWeek.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a critical remote code execution vulnerability impacting PTC Windchill PDMlink and PTC FlexPLM enterprise Product Data Management (PDM) and Product Lifecycle Management (PLM) software to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerability in question is

DirtyClone is a new Linux kernel privilege escalation in the DirtyFrag family. JFrog Security Research published a working exploit walkthrough for the flaw on June 25, the first public demonstration for this variant. Tracked as CVE-2026-43503 (CVSS 8.8), it lets a local user corrupt file-backed memory through a cloned network packet and gain root. The patch landed in

AI agents are moving through enterprise environments, inheriting permissions, traversing systems, and executing decisions at machine speed with minimal oversight. The identity infrastructure built to govern human access wasn't designed for autonomous actors, and the gap between what enterprises are deploying and what their governance programs actually cover is widening fast. This guide breaks

It will provide the tools and channels to report, patch, and disclose open source software vulnerabilities. The post Linux Foundation Unveils New Open Source Security Project Akrites appeared first on SecurityWeek.

Cybersecurity researchers have flagged yet another evolution of the supply chain attack linked to the Mini Shai-Hulud, Miasma, and Hades malware family that has compromised a new set of npm packages, even as it has propagated to the Go ecosystem. "The latest activity includes malicious npm releases affecting LeoPlatform and RStreams packages, GitHub Actions workflow abuse, and a related Go

The decentralized prediction market said hackers targeted some of its users through a compromise of a third-party vendor. The post $3 Million Reportedly Stolen in Polymarket Hack appeared first on SecurityWeek.

An active phishing campaign has been targeting hotel and other hospitality organizations across Europe and Asia since April 2026, using photo-themed ZIP files to drop a Node.js implant and dig into front-desk machines, Microsoft says. The company has not attributed the activity to a known threat actor, and the operators' end goal is still unclear. The lure plays to how hotels work.

Turla has been using the backdoor against government and military organizations in Ukraine for espionage. The post Russian APT Deploys ‘StockStay’ Backdoor Against Ukrainian Targets appeared first on SecurityWeek.

Russian authorities used Cellebrite's UFED forensic tools to break into the iPhone of detained opposition activist Andrey Pivovarov in June 2021, three months after Cellebrite said it would stop selling its tools and services to Russia and Belarus. The finding, published June 25 by the Citizen Lab, rests on two things that rarely line up: traces on the phone itself and an official Russian

CISA has added the remote code execution flaw CVE-2026-12569 to its Known Exploited Vulnerabilities catalog. The post First-Ever Exploitation of PTC Windchill Vulnerability Discovered in the Wild appeared first on SecurityWeek.

A major overhaul of the Model Context Protocol shifts critical security responsibilities from the protocol itself to developers and platform operators. The post New Enterprise-Ready MCP Specification Brings New Security Challenges appeared first on SecurityWeek.

The Russian state-sponsored threat actor known as Turla has been attributed to a previously undocumented .NET backdoor called STOCKSTAY that has been deployed against government and military organizations in Ukraine, and entities that have an interest in Italian foreign policy. Describing the Windows backdoor as continually developed by the hacking group, Google Threat Intelligence Group (

Martin brings experience from Coinbase, Palantir, Amazon, and the U.S. Army to lead Uber's cybersecurity and enterprise security organization. The post Philip Martin Joins Uber as Chief Information Security Officer appeared first on SecurityWeek.