KEV · Activement exploitée
CVE-2023-21529
HIGH 8.8
KEV
EN Microsoft Exchange Server Remote Code Execution Vulnerability
EPSS
27.55%
exploit modéré
percentile 96.5%
CISA Known Exploited Vulnerability
- Ajouté au KEV
- 2026-04-13
- Deadline remédiation
- 2026-04-27
- Action requise
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Ransomware
- Oui, campagne ransomware connue