CVE-2026-85103
CVSS v3
9.8
CRITICAL
EPSS Score
3.7 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A heap-based buffer overflow in VPN certificate ASN.1 decoding may allow an unauthenticated remote attacker to execute arbitrary code on Check Point Quantum Security Management and Quantum Security Gateway systems.
Technical details
- Published
- 2026-09-09
- Last Modified
- 2026-09-10
Frequently asked questions
What is CVE-2026-85103?
A heap-based buffer overflow in VPN certificate ASN.1 decoding may allow an unauthenticated remote attacker to execute arbitrary code on Check Point Quantum Security Management and Quantum Security Gateway systems.
Is CVE-2026-85103 actively exploited?
Active exploitation of CVE-2026-85103 has not been confirmed. Its EPSS score was 3.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-85103?
CVE-2026-85103 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2026-85103 affecting your environment?
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