CVE-2026-85102

CriticalCVSS 9.8/10Known exploited (CISA KEV)Last modified Sep 23, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-295

Affected software

Vendor	Product	Versions
checkpoint	Quantum Security Gateway	R82.10 with Jumbo Hotfix Take 43 or below; R82 with Jumbo Hotfix Take 125 or below; R81.20 with Jumbo Hotfix Take 165 or below

References

https://support.checkpoint.com/results/sk/sk1000117Mitigation, Patch, Vendor Advisory
https://blog.checkpoint.com/security/security-advisory-action-required-active-exploitation-of-cve-2026-85102-and-a-management-pre-authentication-vulnerability-cve-2026-93616/Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85102US Government Resource

Timeline

Published: Sep 9, 2026
Last modified: Sep 23, 2026
Added to CISA KEV: Sep 22, 2026
NVD status: Analyzed

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