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 2026-03-18, CISA added CVE-2026-20963 (Microsoft SharePoint) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2026-02-18, CISA added CVE-2021-22175 (GitLab GitLab) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2026-02-03, CISA added CVE-2021-39935 (GitLab Community and Enterprise Editions) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-12-17, CISA added CVE-2025-40602 (SonicWall SMA1000 appliance) 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 2025-07-22, 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 2025-06-02, CISA added CVE-2025-3935 (ConnectWise ScreenConnect) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-05-01, CISA added CVE-2023-44221 (SonicWall SMA100 Appliances) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-04-16, CISA added CVE-2021-20035 (SonicWall SMA100 Appliances) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-04-08, CISA added CVE-2025-29824 (Microsoft Windows) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-03-11, CISA added CVE-2025-26633 (Microsoft Windows) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-03-03, CISA added CVE-2018-8639 (Microsoft Windows) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-02-18, CISA added CVE-2024-53704 (SonicWall SonicOS) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2025-01-24, CISA added CVE-2025-23006 (SonicWall SMA1000 Appliances) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2024-11-12, CISA added CVE-2024-49039 (Microsoft Windows) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2024-10-22, CISA added CVE-2024-38094 (Microsoft SharePoint) to its Known Exploited Vulnerabilities (KEV) Catalog .
On 2024-10-15, CISA added CVE-2024-30088 (Microsoft Windows) to its Known Exploited Vulnerabilities (KEV) catalog .