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CISA Known Exploited Vulnerabilities

KEV additions — September 2025

16 CVEs entered the KEV catalog in September 2025.

Added September 29, 20255

CVECVSSEPSSDue date
CVE-2021-213117.294.2 %October 20, 2025
CVE-2025-10035ransomware9.859.3 %October 20, 2025
CVE-2025-203527.71.9 %October 20, 2025
CVE-2025-324639.347.0 %October 20, 2025
CVE-2025-596896.15.2 %October 20, 2025

Added September 25, 20252

CVECVSSEPSSDue date
CVE-2025-203339.916.6 %September 26, 2025
CVE-2025-203628.642.3 %September 26, 2025

Added September 23, 20251

CVECVSSEPSSDue date
CVE-2025-105859.80.6 %October 14, 2025

Added September 11, 20251

CVECVSSEPSSDue date
CVE-2025-5086942.1 %October 2, 2025

Added September 4, 20253

CVECVSSEPSSDue date
CVE-2025-383527.40.1 %September 25, 2025
CVE-2025-485438.80.3 %September 25, 2025
CVE-2025-5369099.5 %September 25, 2025

Added September 3, 20252

CVECVSSEPSSDue date
CVE-2023-502246.51.5 %September 24, 2025
CVE-2025-93777.215.6 %September 24, 2025

Added September 2, 20252

CVECVSSEPSSDue date
CVE-2020-243638.811.1 %September 23, 2025
CVE-2025-551775.40.9 %September 23, 2025