9.8
Critical
CVE-2026-85102 Check Point Multiple Products Improper Certificate Validation Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply 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.
Ransomware campaigns
Not observed so far
Weakness
CWE-295
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Quantum Security Gateway | Versions not published |
Other CVEs of Quantum Security Gateway
The 10 CVEs of Quantum Security Gateway →
CVE-2026-85103
A heap-based buffer overflow in VPN certificate ASN.1 decoding may allow an unauthenticated remote attacker to execute…
9.8
Critical
CVE-2026-62145
A vulnerability in Check Point Gaia Portal allows an authenticated attacker with read-only Gaia Portal privileges to…
7.5
High
CVE-2026-50751
Check Point Security Gateway Improper Authentication Vulnerability
Not rated
CVE-2026-50752
A weakness in the certificate validation logic of the deprecated IKEv1 key exchange may allow an unauthenticated…
7.4
High