CVE-2026-18574: Check Point Multi-Domain Security Management Server

Critical severity, CVSS 9.3. EPSS: 0.9% chance of exploitation in the next 30 days.

An authentication bypass vulnerability in Check Point Security Management Server and Multi-Domain Security Management Server (MDS) could allow an unauthenticated remote attacker with network access to Management services to execute arbitrary commands on the Security Management Server. Successful exploitation could result in full compromise of the Security Management system. Check Point discovered this issue internally and has no indication of active exploitation.

Affected products

• Check Point Multi-Domain Security Management Server: up to and including R82.10; up to and including R81.20; version R81.10 only; version R81 only; version R80.40 only; version R80.30 only; …
• Check Point Security Management Server: up to and including R82.10; up to and including R81.20; version R81.10 only; version R81 only; version R80.40 only; version R80.30 only; …

Published 2026-08-03. Last modified 2026-08-05.