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CISA Known Exploited Vulnerabilities

KEV additions — September 2025

16 CVEs entered the KEV catalog in September 2025.

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Added September 29, 20255

CVECVSSDue date
CVE-2021-213117.2Oct 20, 2025
CVE-2025-10035ransomware9.8Oct 20, 2025
CVE-2025-203527.7Oct 20, 2025
CVE-2025-324639.3Oct 20, 2025
CVE-2025-596896.1Oct 20, 2025

Added September 25, 20252

CVECVSSDue date
CVE-2025-203339.9Sep 26, 2025
CVE-2025-203628.6Sep 26, 2025

Added September 23, 20251

CVECVSSDue date
CVE-2025-105859.8Oct 14, 2025

Added September 11, 20251

CVECVSSDue date
CVE-2025-50869Oct 2, 2025

Added September 4, 20253

CVECVSSDue date
CVE-2025-383527.4Sep 25, 2025
CVE-2025-485438.8Sep 25, 2025
CVE-2025-536909Sep 25, 2025

Added September 3, 20252

CVECVSSDue date
CVE-2023-502246.5Sep 24, 2025
CVE-2025-93777.2Sep 24, 2025

Added September 2, 20252

CVECVSSDue date
CVE-2020-243638.8Sep 23, 2025
CVE-2025-551775.4Sep 23, 2025