CISA Adds Microsoft Exchange Server Vulnerability CVE-2023-21529 to Known Exploited Vulnerabilities Catalog
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 2026-04-08, CISA added CVE-2026-1340 (Ivanti Endpoint Manager Mobile (EPMM)) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2026-04-06, CISA added CVE-2026-35616 (Fortinet FortiClient EMS) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2026-03-30, CISA added CVE-2026-3055 (Citrix NetScaler) 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 2026-03-18, CISA added CVE-2026-20963 (Microsoft SharePoint) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2026-03-09, CISA added CVE-2026-1603 (Ivanti Endpoint Manager (EPM)) 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 2026-03-03, CISA added CVE-2026-22719 (Broadcom VMware Aria Operations) to its Known Exploited Vulnerabilities (KEV) Catalog .
On 2026-02-25, CISA added CVE-2026-20127 (Cisco Catalyst SD-WAN Controller and Manager) to its Known Exploited Vulnerabilities (KEV) Catalog .
On 2026-02-25, CISA added CVE-2022-20775 (Cisco SD-WAN) 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 2026-02-13, 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 2026-02-03, CISA added CVE-2021-39935 (GitLab Community and Enterprise Editions) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2026-01-29, CISA added CVE-2026-1281 (Ivanti Endpoint Manager Mobile (EPMM)) to its Known Exploited Vulnerabilities (KEV) catalog .
On 2026-01-27, CISA added CVE-2026-24858 (Fortinet Multiple Products) 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 2026-01-23, CISA added CVE-2024-37079 (Broadcom VMware vCenter Server) to its Known Exploited Vulnerabilities (KEV) catalog .