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Known exploited vulnerability

CVE-2026-86218

criticalCVSS 4.0 10.0In CISA KEVEPSS 15%Published · N-able

The short answer

CVE-2026-86218 affects N-able N-central and is rated critical (CVSS 10.0). CISA added it to the Known Exploited Vulnerabilities catalog on 2026-09-08: attackers are using it, so patch it first.

What it is

N-central is vulnerable to a pre-auth remote code execution This issue affects N-central: before 2026.3.1.14.

Weakness: CWE-96.

Severity

10.0 critical

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploited (CISA KEV)

Yes, since Sep 8, 2026

Federal due date Sep 11, 2026

EPSS, next 30 days

15%

Higher than 97% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Attack requirements
None
Privileges required
None
User interaction
None
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

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…

Affected products

N-central. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2026-86218 being exploited?

Yes. CISA added CVE-2026-86218 to its Known Exploited Vulnerabilities catalog on 2026-09-08, with a federal remediation due date of 2026-09-11.

How do I fix CVE-2026-86218?

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…

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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