Categories Breaking News

Breaking News – Cyber Threats – 2026-05-21 03:00 PDT

Breaking News – Cyber Threats (last 6h)

Generated: 2026-05-21 03:00 PDT

  • Microsoft warns of new Defender zero-days exploited in attacks
    BleepingComputer • 2026-05-21 00:49 • www.bleepingcomputer.com
    On Wednesday, Microsoft started rolling out security patches for two Defender vulnerabilities that have been exploited in zero-day attacks. […]
    https://www.bleepingcomputer.com/news/security/microsoft-warns-of-new-defender-zero-days-exploited-in-attacks/
  • 9-Year-Old Linux Kernel Flaw Enables Root Command Execution on Major Distros
    The Hacker News • 2026-05-21 00:35 • thehackernews.com
    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 of improper privilege management that could permit an unprivileged local user to disclose sensitive files and execute arbitrary commands as root on default installations of several major
    https://thehackernews.com/2026/05/9-year-old-linux-kernel-flaw-enables.html

  • GitHub links repo breach to TanStack npm supply-chain attack
    BleepingComputer • 2026-05-20 23:54 • www.bleepingcomputer.com
    GitHub says the hackers who breached 3,800 internal repositories gained access via a malicious version of the Nx Console VS Code extension, compromised in last week’s TanStack npm supply-chain attack. […]
    https://www.bleepingcomputer.com/news/security/github-links-repo-breach-to-tanstack-npm-supply-chain-attack/
  • GitHub Internal Repositories Breached via Malicious Nx Console VS Code Extension
    The Hacker News • 2026-05-20 21:27 • thehackernews.com
    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 of the Nx Console Microsoft Visual Studio Code (VS Code) extension. 

    The development comes as the Nx team revealed that the extension, nrwl.angular-console, was breached after one of its developers’ systems was hacked in the
    https://thehackernews.com/2026/05/github-internal-repositories-breached.html

Sources: BleepingComputer, The Hacker News, KrebsOnSecurity, SANS ISC, CISA.

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