Patch nowWhy this label: EPSS 54%

CVE-2026-85102Check Point Multiple Products Improper Certificate Validation Vulnerability

Product: Check Point Multiple Products
Added to CISA KEV: September 22, 2026
Deadline for US federal agencies: September 25, 2026
Known ransomware use: Not known
EPSS, next 30 days: 54%, higher than 98% of scored CVEs (Oct 25, 2026)
Weakness: CWE-295

What CISA says

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.

What CISA asks you to do

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Sources

Also exploited recently

Data from CISA's Known Exploited Vulnerabilities catalog (public domain) and FIRST EPSS, refreshed hourly. Rheono did not find or test this vulnerability; this page summarizes public sources.