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Critical 9.8Published Sep 9, 2026

CVE-2026-85103Heap-based Buffer Overflow in VPN Certificate ASN.1 Decoding

Updated under an hour ago ()

Does this affect you?

It affects checkpoint Quantum Security Gateway and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-122
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
checkpoint
NVD analysis
Awaiting Analysis
Record last updated
Sep 10, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
checkpoint Quantum Security Gateway
checkpoint:quantum_security_gateway (from the name)
R82.10 with Jumbo Hotfix Take 43 or below; R82 with Jumbo Hotfix Take 125 or below; R81.20 with Jumbo Hotfix Take 165 or below
CNA record
checkpoint Quantum Security Management
checkpoint:quantum_security_management (from the name)
R82.10 with Jumbo Hotfix Take 43 or below; R82 with Jumbo Hotfix Take 125 or below; R81.20 with Jumbo Hotfix Take 165 or below
CNA record

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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