Threat Advisories

Expert threat advisories published daily by HiveForce Labs, covering ransomware campaigns, advanced persistent threats (APTs), critical vulnerabilities, and malware analysis. Each advisory provides detailed intelligence on threat characteristics, potential impact, and recommended remediation steps to help security teams take immediate, informed action.

Strengthen Your Defenses With the Latest Intelligence

Red | Attack Report

72-Hour Window of Trust: Fox Tempest’s Abuse of Microsoft Artifact Signing

Summary Fox Tempest is a financially motivated threat actor that operated a May 25, 2026

Red | Vulnerability Report

May 2026 Linux Patch Roundup

Summary In May 2026, more than 1756 new Linux vulnerabilities were discovered May 25, 2026

Red | Attack Report

From npm to GitHub: TeamPCP’s May 2026 Escalation Reaches the Source Code Platform

Summary May 2026 marked the most intense stretch of TeamPCP’s ongoing supply May 25, 2026

Amber | Attack Report

Inside Storm-2949’s Cloud Takeover Campaign Targeting Microsoft 365 and Azure

Summary Storm-2949, a sophisticated threat actor first seen in 2026, has been May 21, 2026

Red | Vulnerability Report

Dead.Letter Walking: Unauthenticated RCE Stalks Exim Mail Servers

Summary CVE-2026-45185, known as Dead.Letter, is a critical unauthenticated remote code execution May 21, 2026

Amber | Vulnerability Report

One Million WordPress Sites at Risk: Avada Builder Flaws Expose Sensitive Data

Summary Two newly disclosed security vulnerabilities in the widely used Avada Builder May 21, 2026

Red | Vulnerability Report

Three Strikes in Two Weeks: Fragnesia Joins the Dirty Frag Family

Summary Fragnesia (CVE-2026-46300) is a critical local privilege escalation vulnerability discovered in May 21, 2026

Red | Vulnerability Report

Critical NGINX Vulnerabilities Including 18-Year-Old RCE Flaw Actively Exploited

Summary F5 has released emergency security patches addressing six critical vulnerabilities in May 21, 2026

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HiveForce Labs threat advisories help security teams turn daily exploit activity into action. For teams evaluating how AI can prioritize advisories and active exploitation, see our guide to AI cybersecurity tools.