CriticalVulnerabilityMonitoringBackfillExploitedKEVEPSS 59%CVE-2023-21529· updated Nov 8
On 2026-04-13, CISA added CVE-2023-21529 (Microsoft Exchange Server) to its Known Exploited Vulnerabilities (KEV) catalog .
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On 2026-04-13, CISA added CVE-2023-21529 (Microsoft Exchange Server) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2026-03-19, CISA added CVE-2026-20131 (Cisco Secure Firewall Management Center (FMC)) to its Known Exploited Vulnerabilities (KEV) Catalog .
On 2026-03-09, CISA added CVE-2025-26399 (SolarWinds Web Help Desk) to its Known Exploited Vulnerabilities (KEV) Catalog .
On 2026-02-13, CISA added CVE-2026-1731 (BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA)) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2026-02-05, CISA added CVE-2026-24423 (SmarterTools SmarterMail) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2026-01-26, CISA added CVE-2026-23760 (SmarterTools SmarterMail) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2026-01-26, CISA added CVE-2025-52691 (SmarterTools SmarterMail) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-12-19, CISA added CVE-2025-14733 (WatchGuard Firebox) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-12-05, CISA added CVE-2025-55182 (Meta React Server Components) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-10-20, CISA added CVE-2025-61884 (Oracle E-Business Suite) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-10-06, CISA added CVE-2025-61882 (Oracle E-Business Suite) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-10-06, CISA added CVE-2021-43226 (Microsoft Windows) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-09-29, CISA added CVE-2025-10035 (Fortra GoAnywhere MFT) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-08-12, CISA added CVE-2025-8088 (RARLAB WinRAR) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-07-22, CISA added CVE-2025-49706 (Microsoft SharePoint) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-07-22, CISA added CVE-2025-49704 (Microsoft SharePoint) to its Known Exploited Vulnerabilities (KEV) catalog .
On July 20, 2025, CISA added CVE-2025-53770 ('ToolShell') in on-premises Microsoft SharePoint to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-07-10, CISA added CVE-2025-5777 (Citrix NetScaler ADC and Gateway) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-06-25, CISA added CVE-2019-6693 (Fortinet FortiOS) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-05-15, CISA added CVE-2025-42999 (SAP NetWeaver) to its Known Exploited Vulnerabilities (KEV) catalog .