RCE in a widely deployed Check Point firewall VPN component; can fully compromise gateways and disrupt enterprise networks.
CVE-2026-85102
Unauthenticated VPN cert validation flaw enables RCE on Check Point Quantum Gateway.
Is CVE-2026-85102 being exploited?
Yes. CVE-2026-85102 appears in CISA's Known Exploited Vulnerabilities catalog, which means exploitation in the wild has been confirmed and reported. Treat it as active rather than theoretical, and patch it ahead of higher-scoring vulnerabilities that carry no exploitation evidence.
How severe is CVE-2026-85102?
CVE-2026-85102 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-85102?
Yes. A fix has been recorded for CVE-2026-85102. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-85102 affect?
CVE-2026-85102 affects Check Point Quantum Security Gateway, Check Point VPN services, Check Point security appliances. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-85102?
Apply vendor updates ASAP; block/limit VPN access and isolate affected gateways.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote code execution during VPN negotiation, allowing full gateway compromise and potential network takeover.
Immediate action required
- affectedR82.10 with Jumbo Hotfix Take 43 or below
- affectedR82 with Jumbo Hotfix Take 125 or below
- affectedR81.20 with Jumbo Hotfix Take 165 or below
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.