9.8

CVE-2026-85102: Check Point Multiple Products Improper Certificate Validation Vulnerability

KEV
Analyzed
Published 09-09-2026Last modified 23-09-2026

Vulnerability summary

CVE-2026-85102 is a critical (CVSS 9.8) Improper Certificate Validation vulnerability in Check Point Multiple Products. It is known to be exploited: CISA, ENISA and CIRCL list it, first on 22-09-2026. EPSS estimates a 54.14% chance of exploitation in the next 30 days, higher than 99% of scored vulnerabilities.

Priority
Act nowlisted as exploited

Listed as exploited by CIRCL (28-09-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
54.14%
0%100%
Critical · +46.59 pp in 30 days
KEVExploited in the wildCritical · listed in 3 catalogs
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 09-09-2026
    PublishedVulnerability first disclosed.
  2. 22-09-2026
    Added to CISA KEVExploitedCheck Point Multiple Products Improper Certificate Validation Vulnerability
  3. 22-09-2026
    Added to ENISA KEVExploitedAdded to the ENISA known exploited vulnerabilities catalog.
  4. 23-09-2026
    Last modifiedVulnerability information updated.
  5. 25-09-2026
    CISA remediation dueDeadline passedApply mitigations per vendor instructions.
  6. 28-09-2026
    Added to CIRCL KEVExploitedAdded to the CIRCL known exploited vulnerabilities catalog.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

54.14%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

Increase +46.59 pp

From 7.55% on 14-10-2026

14-10-202613-11-2026

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
22-09-2026
Federal due date
25-09-2026
ENISA CNWListed
Added
22-09-2026
CIRCLListed
Added
28-09-2026

CISA 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. support.checkpoint.com/results/sk/sk1000117 nvd.nist.gov/vuln/detail/CVE-2026-85102

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Checkpoint3 products
  • gaia_embedded≥ r81.10.00, < r81.10.17 | ≥ r82.00.00, < r82.00.10 | r81.10.17 | r81.10.17:build_996004508 | r81.10.17:build_996004620 | r81.10.17:build_996004653 | r81.10.17:build_996004721 | r81.10.17:build_996004892 | r81.10.17:build_996004901 | r81.10.17:build_996004914 | r81.10.17:build_996004936 | r82.00.10 | r82.00.10:build_998001559 | r82.00.10:build_998001562 | r82.00.10:build_998002110 | r82.00.10:build_998002112 | r82.00.10:build_998002133 | r82.00.10:build_998002203 | r82.00.10:build_998002216 | r82.00.10:build_998002242 | r82.00.10:build_998002279
  • gaia_os≥ r80, < r81.10 | r81.10 | r81.10:take_106 | r81.10:take_107 | r81.10:take_109 | r81.10:take_110 | r81.10:take_113 | r81.10:take_128 | r81.10:take_129 | r81.10:take_130 | r81.10:take_131 | r81.10:take_132 | r81.10:take_135 | r81.10:take_139 | r81.10:take_14 | r81.10:take_141 | r81.10:take_150 | r81.10:take_152 | r81.10:take_156 | r81.10:take_158 | r81.10:take_165 | r81.10:take_169 | r81.10:take_170 | r81.10:take_171 | r81.10:take_172 | r81.10:take_173 | r81.10:take_174 | r81.10:take_177 | r81.10:take_181 | r81.10:take_183 | r81.10:take_187 | r81.10:take_22 | r81.10:take_30 | r81.10:take_38 | r81.10:take_44 | r81.10:take_45 | r81.10:take_55 | r81.10:take_61 | r81.10:take_66 | r81.10:take_75 | r81.10:take_78 | r81.10:take_79 | r81.10:take_81 | r81.10:take_82 | r81.10:take_85 | r81.10:take_87 | r81.10:take_9 | r81.10:take_93 | r81.10:take_94 | r81.10:take_95 | r81.20 | r81.20:take_10 | r81.20:take_101 | r81.20:take_103 | r81.20:take_105 | r81.20:take_111 | r81.20:take_113 | r81.20:take_115 | r81.20:take_118 | r81.20:take_119 | r81.20:take_120 | r81.20:take_122 | r81.20:take_126 | r81.20:take_127 | r81.20:take_14 | r81.20:take_141 | r81.20:take_146 | r81.20:take_158 | r81.20:take_161 | r81.20:take_24 | r81.20:take_26 | r81.20:take_38 | r81.20:take_41 | r81.20:take_43 | r81.20:take_45 | r81.20:take_53 | r81.20:take_54 | r81.20:take_65 | r81.20:take_70 | r81.20:take_76 | r81.20:take_79 | r81.20:take_8 | r81.20:take_84 | r81.20:take_89 | r81.20:take_90 | r81.20:take_92 | r81.20:take_96 | r81.20:take_98 | r81.20:take_99 | r82 | r82:take_10 | r82:take_103 | r82:take_107 | r82:take_118 | r82:take_12 | r82:take_122 | r82:take_14 | r82:take_18 | r82:take_19 | r82:take_25 | r82:take_33 | r82:take_34 | r82:take_36 | r82:take_39 | r82:take_41 | r82:take_43 | r82:take_44 | r82:take_60 | r82:take_73 | r82:take_91 | r82.10 | r82.10:take_19 | r82.10:take_24 | r82.10:take_36 | r82.10:take_40 | r82.10:take_6
  • quantum security gatewayR82.10 with Jumbo Hotfix Take 43 or below | R82 with Jumbo Hotfix Take 125 or below | R81.20 with Jumbo Hotfix Take 165 or below

1 vendor · 3 products

References

3 links