CVE-2026-85102

CRITICALCVSS 3.1 · 9.8 · cve@checkpoint.com

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

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 KEV: known exploited

Added: 2026-09-22 · Due: 2026-09-25

Known ransomware use: Unknown

EPSS: 54.14% · Percentile: 99.0%

As of 2026-10-27

EPSS estimates exploitation probability over the next 30 days. KEV due dates apply to US federal civilian agencies. Confirm your affected versions in vendor advisories.

CWE: CWE-295 · Published: 2026-09-09T13:20:43.793 · Modified: 2026-09-23T18:22:07.453

Sources: NIST NVD, CISA KEV, FIRST EPSS. NVD and EPSS cached up to 6 hours; KEV up to 12 hours.

References and fixes

https://support.checkpoint.com/results/sk/sk1000117
https://blog.checkpoint.com/security/security-advisory-action-required-active-exploitation-of-cve-2026-85102-and-a-management-pre-authentication-vulnerability-cve-2026-93616/
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85102