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The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has expanded its Known Exploited Vulnerabilities (KEV) catalog, adding critical vulnerabilities that need immediate attention. 1. CVE-2026-75650: A vulnerability in Adobe Commerce and Magento with a CVSS score of 10.0, allowing unauthenticated remote code execution. Affected versions include Magento Open Source releases 2.4.7, 2.4.8, and 2.4.9. It has been actively exploited since September 4. 2. CVE-2026-81963: A Microsoft Windows vulnerability with a CVSS score of 7.8, related to a link-following issue within the Update Stack, allowing local attackers to escalate privileges. It is currently being exploited. 3. CVE-2026-85880: Another Microsoft Windows vulnerability rated at 7.8, involving a heap-based buffer overflow in the ALPC component, permitting local privilege escalation. This flaw is also actively exploited. 4. CVE-2026-86218: A N-able N-central vulnerability with a CVSS score of 10.0, allowing pre-authenticated remote code execution. N-able has released an emergency hotfix for this issue. Federal agencies must address these vulnerabilities by specified deadlines: Windows flaws by September 22 and other vulnerabilities by September 11, 2026, in accordance with Binding Operational Directive (BOD) 22-01. Private organizations are advised to review the KEV catalog and take necessary actions to strengthen their infrastructure against these vulnerabilities.