CRITICAL CISA KEV

CVE-2026-85102

CVSS v3

9.8

CRITICAL

EPSS Score

0.3 %

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

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.

CISA Known Exploited Vulnerability

Date Added: 2026-09-22
Patch Due Date: 2026-09-25
Ransomware Use: Unknown

Technical details

CVSS v3 Vector: 3.1
Published: 2026-09-09
Last Modified: 2026-09-10

Frequently asked questions

What is CVE-2026-85102?

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.

Is CVE-2026-85102 actively exploited?

Yes. CVE-2026-85102 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-09-25.

What is the CVSS score for CVE-2026-85102?

CVE-2026-85102 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string 3.1.

Is CVE-2026-85102 affecting your environment?

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