Max-severity flaw in ChromaDB for AI apps allows server hijacking
A max-severity vulnerability in the latest Python FastAPI version of the ChromaDB project allows unauthenticated attackers to run arbitrary code on exposed servers.
Cybercrime service disrupted for abusing Microsoft platform to sign malware
Microsoft says it has disrupted a malware-signing-as-a-service (MSaaS) operation that abused the company's Artifact Signing service to generate fraudulent code-signing certificates used by ransomware gangs and other cybercriminals.
Attackers hit vulnerabilities hard last year, making exploits the top entry point for breaches | CyberScoop
Verizon’s annual Data Breach Investigations Report uncovered a surge of exploited vulnerabilities, and a growing lack of critical defect remediation industrywide.
News alert: Orchid Security study finds invisible identities now outnumber managed accounts - The Last Watchdog
NEW YORK, May 19, 2026, CyberNewswire—Orchid Security, the company solving identity at its core, today released its Identity Gap: 2026 Snapshot report, revealing that the majority of enterprise identity now exists outside the view of identity and access management systems. The report found that invisible identity (“identity dark matter”) now outweighs visible identity across enterprise
Microsoft Self-Service Password Reset abused in Azure data theft attacks
A threat actor targeting Microsoft 365 and Azure production environments is stealing data in attacks that abuse legitimate applications and administration features.
Cisco Talos’ Vulnerability Discovery & Research team recently disclosed eight vulnerabilities in TP-Link, and one each in Adobe Photoshop, OpenVPN, and Gen Digital's Norton VPN.
The vulnerabilities mentioned in this blog post have been patched by their respective vendors, in adherence to Cisco’s third-party vulnerability disclosure policy, except the Norton VPN vulnerability, which was discovered in-use before a patch was available.
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Microsoft plans to improve Windows 11 driver quality in 2026
Microsoft plans to raise the quality bar of Windows 11 drivers, as drivers "sit at the heart of every Windows experience" and connect the OS to the "silicon, components, and peripherals."
Exposing Fox Tempest: A malware-signing service operation | Microsoft Security Blog
Fox Tempest is a financially motivated threat actor operating a malware‑signing‑as‑a‑service (MSaaS) used by other cybercriminals, including Vanilla Tempest and Storm groups, to more effectively distribute malicious code, including ransomware.
Exposing Fox Tempest: A malware-signing service operation | Microsoft Security Blog
Fox Tempest is a financially motivated threat actor operating a malware‑signing‑as‑a‑service (MSaaS) used by other cybercriminals, including Vanilla Tempest and Storm groups, to more effectively distribute malicious code, including ransomware.
Microsoft disrupts cybercrime service that abused software verification systems en masse | CyberScoop
Fox Tempest, a financially-motivated threat group, allowed ransomware operators and other cybercriminals to slip malware-laced software past security controls.
Federal government involvement in an existing group chilled some cybersecurity discussions among major telecom providers. The new group is intended to alleviate those anxieties.
7-Eleven confirms data breach claimed by the ShinyHunters gang
Convenience store chain giant 7-Eleven confirmed that its systems were breached in a cyberattack claimed by the ShinyHunters extortion group last month.
New Shai-Hulud malware wave compromises 600 npm packages
Threat actors earlier today published more than 600 malicious packages to the Node Package Manager (npm) index as part of a new Shai-Hulud supply-chain campaign.
Critical Microsoft Vulnerabilities Doubled: From Exposure to Escalation
Microsoft's total vulnerability count stayed steady in 2025, but critical flaws surged year over year. BeyondTrust breaks down why attackers are increasingly focused on privilege escalation and identity abuse.