CVE-2026-85102

Check Point Multiple Products Improper Certificate Validation Vulnerability

Check Point Multiple ProductsNetwork & edge

CVSS

9.8Critical

ExploitationExploited in the wildAdded to KEV 22 Sep 2026CISA KEV

Exploit odds (EPSS)54.2%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS

Fixed inNone listedNo source names a fixed version. Check the vendor advisory below

Federal deadline25 Sep 2026Remediation due date for US federal agenciesCISA KEV

CISA required actionApply 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. CISA KEV

Patching is not enoughCISA requires federal agencies to look for signs of compromise on affected systems, not only patch (forensic triage under BOD 26-04). Treat exposed systems as possibly compromised. CISA guidance

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

9 Sep 2026, 13:00 UTCPublishedCVE List
22 Sep 2026Added to CISA KEVCISA KEV

Reports 1

1 outlet mention it. Reports are not confirmation; each links to its source.

@getpokemon7.bsky.social: 米国サイバーセキュリティ・インフラストラクチャセキュリティ庁（CISA）は、Check Point、Arista VeloCloud Orchestrator、およびF5 BIG-IP APMの脆弱性を既知の悪用された脆弱性カタログに追加した。米国サイバーセキュリティ・インフラストラクチャセキュリティ庁（CISA）は、既知の悪用された脆弱性（KEV）カタBluesky: CVE posts, 23 Oct 2026

Description

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.

Text from CVE List

Affected versions 3

Quantum Security Gatewayaffected: R82.10 with Jumbo Hotfix Take 43 or belowCVE List
Quantum Security Gatewayaffected: R82 with Jumbo Hotfix Take 125 or belowCVE List
Quantum Security Gatewayaffected: R81.20 with Jumbo Hotfix Take 165 or belowCVE List