CISA Flags Three Linux Kernel Vulnerabilities Exploited in the Wild
thehackernews.com Sep 20, 2026

CISA Flags Three Linux Kernel Vulnerabilities Exploited in the Wild

AI-summarised brief · reviewed before publication

The U.S. Cybersecurity and Infrastructure Security Agency added three Linux kernel vulnerabilities to its Known Exploited Vulnerabilities catalog after confirming active exploitation. Red Hat issued advisories on September 19, 2026, urging high‑priority fixes and noting public exploits. Federal agencies are directed to patch by September 21 under BOD 26‑04. The flaws—CVE‑2026‑80844, CVE‑2026‑81000, CVE‑2026‑68121, and CVE‑2026‑74469—were disclosed by researcher Asim Manizada and involve local privilege escalation. The incidents underscore the growing threat of AI‑driven attacks on enterprise systems.

💡 Why It Matters

  • · The rapid patching mandate signals a shift toward stricter federal security compliance, forcing agencies to prioritize kernel updates.
  • · It also highlights how AI tools are accelerating exploitation, demanding tighter runtime identity controls.