CVE entry · CVE-2026-85102
CVE-2026-85102: Check Point Multiple Products Improper Certificate Validation Vulnerability
Check Point Security Gateway and Check Point Spark Firewall using Site to Site VPN or Remote Access VPN contain an improper certificate validation vulnerability which could allow an unauthenticated remote attacker to execute arbitrary code on the Gateway.
- Actively exploited: added to CISA’s KEV catalog on September 22, 2026.
- Use by ransomware: not established so far.
- Remediation deadline for US federal agencies: September 25, 2026.
Description from CISA’s KEV catalog.
What to do
- Check whether your estate includes affected Check Point products, including internet-facing devices.
- Apply the vendor’s patch or mitigations (references below). Failing that, isolate the product or stop using it, as CISA requires of US federal agencies.
- An exploited vulnerability has often been used before it was fixed: look for signs of compromise, especially on internet-facing devices.
References
- Vendor advisory or reference cited by CISA (support.checkpoint.com)
- NVD entry (NIST)
- CISA KEV catalog