Threat Feed
Daily intelligence on vulnerabilities, threat actors and geopolitical context — distilled from primary sources.
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highbug_reportVulnerabilityCryptojacking campaign uses SEO poisoning and ScreenConnect for GPU mining
Organizations using ScreenConnect remote access software; high-performance PCs with GPUs; users searching for compromised topics via search engines and AI chatbots. Campaign leverages Microsoft .NET utilities for execution.
highbug_reportVulnerabilityMicrosoft patches SharePoint RCE flaw via unsafe deserialization
Microsoft SharePoint Server (specific versions not disclosed). Vulnerability involves deserialization of untrusted data leading to remote code execution with CVSS 8.8.
highbug_reportVulnerabilityWindows Server 2016 domain controller lookups fail after KB5087537 update
Windows Server 2016 domain controllers running KB5087537 (May 2026 security update). Impacts Active Directory domain controller lookup functionality and domain connectivity.
highperson_alertThreat ActorFBI warns of Kali365 phishing-as-a-service targeting Microsoft 365
Kali365 is a phishing-as-a-service (PhaaS) platform that enables threat actors to conduct credential harvesting and account takeover operations against Microsoft 365 users.
highperson_alertThreat ActorF5 BIG-IP Exploitation Leads to Confluence Compromise and Lateral Movement
The threat actor behind this campaign remains unattributed. Motivation appears to be credential theft and network persistence within enterprise environments.
highbug_reportVulnerabilityMicrosoft Defender privilege escalation CVE-2026-41091 under active exploit
Microsoft Defender on Windows systems. Specific product versions not disclosed. Vulnerability allows local attackers to escalate privileges to SYSTEM level through improper link resolution handling.
criticalperson_alertThreat ActorMicrosoft Disrupts Fox Tempest Malware-Signing-as-a-Service Operation
Fox Tempest is a threat actor attributed by Microsoft as operating a malware-signing-as-a-service (MSaaS) business model. The actor exploited Microsoft's Artifact Signing system to provide malicious code signing services to other cybercriminals, enab…
highperson_alertThreat ActorWebworm Deploys EchoCreep and GraphWorm Backdoors via Discord and Graph API
Webworm is a China-aligned advanced persistent threat (APT) actor first documented by Symantec in September 2022, with activity traced back to at least 2022.
highbug_reportVulnerabilityMicrosoft mitigates YellowKey BitLocker bypass (CVE-2026-45585)
Microsoft BitLocker on Windows systems. Specific affected versions not disclosed. Vulnerability allows bypass of BitLocker disk encryption protections.
highbug_reportVulnerabilityMicrosoft mitigates YellowKey BitLocker zero-day bypass vulnerability
Windows BitLocker across all supported Windows versions. The vulnerability allows unauthorized access to BitLocker-protected drives. No CVE assigned yet.
highbug_reportVulnerabilityMicrosoft sees rise in privilege escalation and identity abuse flaws
Microsoft products and services experiencing increased critical vulnerabilities focused on privilege escalation and identity abuse. Specific affected products and versions not detailed in available data.
criticalbug_reportVulnerabilityMicrosoft Exchange Server XSS flaw actively exploited for session hijacking
Microsoft Exchange Server (specific versions not disclosed). Cross-Site Scripting vulnerability enabling spoofing and session hijacking. No CVE assigned yet.
criticalbug_reportVulnerabilityMicrosoft patches critical WSUS RCE flaw with public PoC exploit
Windows Server Update Service (WSUS) on Windows Server. Specific versions not disclosed in out-of-band update. Affects organizations running WSUS infrastructure for Windows update management.