Security Issues, Vulnerabilities, Exploits & Government Alerts
View CSAF Summary ABB is aware of vulnerabilities in the product versions listed as affected in the advisory. An attacker who successfully exploited this vulnerability could cause the pollution of heap memory which potentially takes…
Ravie LakshmananMay 21, 2026Hacking News / Cybersecurity News This week starts small. A token leaks. A bad package slips in. A login trick works. An old tool shows up again. At first, it feels like…
Ravie LakshmananMay 21, 2026Endpoint Security / Vulnerability Microsoft has disclosed that a privilege escalation and a denial-of-service flaw in Defender has come under active exploitation in the wild. The former, tracked as CVE-2026-41091, is rated…
Consider a cached access key on a single Windows machine. It got there the way most cached credentials do – a user logged in, and the key stored itself automatically. Standard AWS behavior. No one…
Ravie LakshmananMay 21, 2026Linux / Vulnerability Cybersecurity researchers have disclosed details of a vulnerability in the Linux kernel that remained undetected for nine years. The vulnerability, tracked as CVE-2026-46333 (CVSS score: 5.5), is a case…
Ravie LakshmananMay 21, 2026Supply Chain Attack / Developer Tools GitHub on Wednesday officially confirmed that the breach of its internal repositories was the result of a compromise of an employee device involving a poisoned version…
Ravie LakshmananMay 21, 2026Web Security / Vulnerability Drupal has released security updates for a “highly critical” security vulnerability in Drupal Core that could be exploited by attackers to achieve remote code execution, privilege escalation, or…
Ravie LakshmananMay 20, 2026Artificial Intelligence / Security Testing Microsoft has unveiled two new open-source tools called RAMPART and Clarity to assist developers in better testing the security of artificial intelligence (AI) agents. RAMPART, short for…
Microsoft on Tuesday said it disrupted a malware-signing-as-a-service (MSaaS) operation that weaponized the company’s Artifact Signing system to deliver malicious code and conduct ransomware and other attacks, compromising thousands of machines and networks across the…
Cybersecurity researchers have flagged fresh activity from a China-aligned threat actor known as Webworm in 2025, deploying custom backdoors that employ Discord and Microsoft Graph API for command-and-control (C2 or C&C) communications. Webworm, first publicly…