Microsoft Windows 11 April 2026 Security Update Breaks Third-Party Backup Applications

Blog WriterCybersecurity News - Original News Source is cybersecuritynews.com

April 30, 2026 Microsoft’s April 2026 cumulative security update for Windows 11 is causing significant disruptions for users relying on third-party backup software, triggering an MS-DEFCON level 3 advisory from …

Targeted Large-Scale Campaign Attacking U.S. Organizations with Fake Event Invitations

Blog WriterCybersecurity News - Original News Source is cybersecuritynews.com

April 30, 2026 A large-scale phishing campaign is actively targeting organizations across the United States, using fake event invitations to deceive employees into handing over their corporate login credentials. The …

OpenAI Releases 5-Point Action Plan to Strengthen AI-Powered Cyber Defense

Blog WriterCybersecurity News - Original News Source is cybersecuritynews.com

April 30, 2026 OpenAI has published a comprehensive cybersecurity action plan titled “Cybersecurity in the Intelligence Age: An Action Plan for Democratizing AI-Powered Cyber Defense,” outlining a five-pillar strategy to …

CVE MCP Server Turns Claude Into a Full-Spectrum Security Analyst With 27 Tools Across 21 APIs

Blog WriterCybersecurity News - Original News Source is cybersecuritynews.com

April 30, 2026 A new open-source project called CVE MCP Server is redefining how security teams triage vulnerabilities, transforming Anthropic’s Claude AI into a fully capable security analyst by giving …

Cursor AI Extension Access Developer Tokens Leads to Full Credential Compromise

Blog WriterCybersecurity News - Original News Source is cybersecuritynews.com

A high-severity access-control vulnerability (CVSS 8.2) in Cursor, a widely used AI-powered coding environment. The flaw uncovered by LayerX has allowed any installed extension to access a developer’s API keys …

Linux Kernel 0-Day “Copy Fail” Roots Every Major Distribution Since 2017

Blog WriterCybersecurity News - Original News Source is cybersecuritynews.com

April 30, 2026 A critical zero-day vulnerability in the Linux kernel has been publicly disclosed, enabling any unprivileged local user to obtain root access on virtually every major Linux distribution …

SAP npm Packages Compromised to Harvest Developer and CI/CD Secrets

Blog WriterCybersecurity News - Original News Source is cybersecuritynews.com

April 29, 2026 A new supply chain attack dubbed “mini Shai Hulud” has compromised four SAP-related npm packages by injecting malicious preinstall scripts that silently execute during dependency installation, targeting …