CVE-2026-123039

Check Point Multiple Products exploited vulnerability, confirmed exploited in the wild.

Check Point Firewall, Multi-Domain Security Management Server, Scalable Platforms, Security Gateway, and Security Management Server contain an incorrect permissions assignment for critical resources vulnerability when the Gaia OS DynamicCLI daemon runs as root and listens on a world-writable local socket without authenticating connecting processes. An authenticated local user can send a command to the socket and have it executed as root.

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2.2%chance of exploitation in the next 30 days (EPSS), 82nd percentile

13 Novadded to CISA's Known Exploited Vulnerabilities list, 2026

16 Novfederal remediation deadline

2 daysleft before the deadline, as of 14 November 2026

CISA's name for it	Check Point Multiple Products Incorrect Permission Assignment for Critical Resource Vulnerability
Vendor and product	Check Point · Multiple Products
Type	exploited vulnerability · CWE-732, CWE-862
Severity	High 7.8 CVSS base score
Affected versions	Quantum Security Gateway: R82.10 with Jumbo Hotfix Take 50 or below, R82.20 with Jumbo Hotfix Take 10 or below, R82 with Jumbo Hotfix Take 130 or below Quantum Security Management: R82.10 with Jumbo Hotfix Take 50 or below, R82.20 with Jumbo Hotfix Take 10 or below, R82 with Jumbo Hotfix Take 130 or below
First published	12 November 2026
Weakness	CWE-862: Missing Authorization.; CWE-732: Incorrect Permission Assignment for Critical Resource.
Exploited	Confirmed by CISA listed 13 November 2026
Likelihood	more likely to be exploited than most
Deadline	16 November 2026 · 2 days left
Used in ransomware	Not reported
Advisories	support.checkpoint.com ↗ · www.cisa.gov ↗ · www.cisa.gov ↗ · nvd.nist.gov ↗

What to do

Three steps, in this order

Step 1

Apply the vendor's fix or mitigation; CISA lists only vulnerabilities seen exploited.

Step 2

If you cannot patch now, restrict network access to the affected product.

Step 3

Check for signs of compromise since the date it was added to the list.

CISA's 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.

CISA's 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.

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Questions

CVE-2026-123039 in short

Is CVE-2026-123039 being exploited?

Yes. CISA added CVE-2026-123039 to its Known Exploited Vulnerabilities catalogue on 13 November 2026, which it does only on evidence of exploitation in the wild.

What is the CISA deadline for CVE-2026-123039?

US federal agencies must remediate it by 16 November 2026. Everyone else should treat that date as the latest safe point to patch an internet-facing system.

How likely is CVE-2026-123039 to be exploited in the next 30 days?

FIRST's Exploit Prediction Scoring System gives it 2.2%, the 82nd percentile of every CVE it scores.

Which versions of Check Point Multiple Products are affected by CVE-2026-123039?

According to the CVE record: Quantum Security Gateway: R82.10 with Jumbo Hotfix Take 50 or below, R82.20 with Jumbo Hotfix Take 10 or below, R82 with Jumbo Hotfix Take 130 or below; Quantum Security Management: R82.10 with Jumbo Hotfix Take 50 or below, R82.20 with Jumbo Hotfix Take 10 or below, R82 with Jumbo Hotfix Take 130 or below. Check the vendor's advisory for the fixed version.

How do I fix CVE-2026-123039?

Apply the vendor's fix or mitigation; CISA lists only vulnerabilities seen exploited. If you cannot patch now, restrict network access to the affected product. Check for signs of compromise since the date it was added to the list.

Same vendor

Other Check Point vulnerabilities being exploited

CVE	Product	Type	Listed
CVE-2026-93616	Multiple Products	path traversal	22 September 2026
CVE-2026-85102	Multiple Products	remote code execution	22 September 2026
CVE-2026-16232	SmartConsole	authentication bypass	22 July 2026
CVE-2026-50751	Security Gateway	authentication bypass	8 June 2026

Sources: CISA Known Exploited Vulnerabilities catalogue (released 13 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 14 November 2026.