CISA's list that day

21 April 2026

On CISA changed 6 entries on its list of exploited vulnerabilities without adding any.

Other changes that day

  1. CVE-2023-21529 Microsoft Exchange ServerRansomware use: Unknown to Known.
  2. CVE-2023-27351 PaperCut NG/MFRansomware use: Unknown to Known.
  3. CVE-2024-27198 JetBrains TeamCityEdited: notes.
  4. CVE-2024-27199 JetBrains TeamCityEdited: notes.
  5. CVE-2024-27199 JetBrains TeamCityRansomware use: Unknown to Known.
  6. CVE-2025-52691 SmarterTools SmarterMailRansomware use: Unknown to Known.
  7. CVE-2026-20122 Cisco Catalyst SD-WAN MangerEdited: notes.