CVE-2026-85102

CRITICAL9.8

CISA KEV

Published 2026-09-09 · Updated 2026-09-23 · Source cve@checkpoint.com

Summary

CVE-2026-85102 is a critical-severity (CVSS 9.8) vulnerability in Check Point Multiple Products. CISA added it to the Known Exploited Vulnerabilities catalog on September 22, 2026, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by September 25, 2026. CISA does not currently list it as used in ransomware campaigns. Check Point has 5 vulnerabilities in the KEV catalog, 2 of them linked to ransomware.

All 5 known-exploited Check Point vulnerabilities →

Description

Improper certificate trust validation during VPN negotiation in Check Point Quantum Security Gateway may allow an unauthenticated remote attacker to execute arbitrary code on the Gateway.

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-295

CISA Known-Exploited Vulnerability

Product: Check Point — Multiple Products

Name: Check Point Multiple Products Improper Certificate Validation Vulnerability

Date added: 2026-09-22 · Due: 2026-09-25

Required action: 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.

References

View on NVD

More exploited Check Point vulnerabilities

Most recently added to CISA KEV

CVE-2026-93616
Multiple Products — Check Point Multiple Products Path Traversal Vulnerability
added 2026-09-22
CVE-2026-16232
SmartConsole — Check Point SmartConsole Improper Authentication Vulnerability
added 2026-07-22
CVE-2026-50751
RANSOMWARE
Security Gateway — Check Point Security Gateway Improper Authentication Vulnerability
added 2026-06-08
CVE-2024-24919
RANSOMWARE
Quantum Security Gateways — Check Point Quantum Security Gateways Information Disclosure Vulnerability
added 2024-05-30

View all →

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