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VulnerabilityCVE-2026-86218Published 2026-09-06

CVE-2026-86218 — N-able N-central

critical (derived)CISA KEVPublic exploit1 PoC repo

As of 2026-09-09, CVE-2026-86218 is a Critical-severity (band derived from the CVSS v4.0 score, not stated by the CNA) vulnerability in N-able N-central, CVSS v4.0 10, EPSS 0.7% (52.6th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-09-08), with a US federal remediation deadline of 2026-09-11. Threadlinqs Intelligence links 2 tracked threat campaigns to CVE-2026-86218, most recently “CVE-2026-86218 — Unauthenticated Pre-Auth Remote Code Execution in N-able N-central (Active Exploitation, CISA KEV)”.

CVSS v4.0
10/10Critical (derived)
EPSS
0.7%Higher than 52.6% of scored CVEs
CISA KEV
ListedAdded · due 2026-09-11
Tracked threats
2Campaigns referencing it
Priority
9/10Threadlinqs triage score
Published
Updated 2026-09-09
CVSS v4.0 10 (Critical, derived from score) · EPSS 0.7% (higher than 52.6% of all scored CVEs) · Priority 9/10 · Published 2026-09-06

Last updated:

What is CVE-2026-86218?

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

The record classifies CVE-2026-86218 under weakness class CWE-96. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 29 days ago.

Severity and exploitation probability

CVSS v4.0 base score
10 — Critical (derived from score)
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
EPSS (FIRST)
0.7% probability of exploitation in the next 30 days, higher than 52.6% of all scored CVEs
CISA KEV
Listed since 2026-09-08, federal remediation deadline 2026-09-11
Threadlinqs priority
9/10 — CISA KEV-listed, which Threadlinqs floors at 9
Published
2026-09-06, last modified 2026-09-09

Is CVE-2026-86218 being exploited?

CISA added CVE-2026-86218 to the Known Exploited Vulnerabilities catalog on 2026-09-08, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2026-09-11 under BOD 22-01. Weaponised exploit code for CVE-2026-86218 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 60 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2026-86218

Because CVE-2026-86218 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2026-09-11. No vendor patch reference has been recorded for CVE-2026-86218 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-86218

2 tracked threats in the Threadlinqs corpus reference CVE-2026-86218, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, FIRST EPSS, CISA KEV, public proof-of-concept repositories. Last verified by Threadlinqs on .

Vendor advisory and patch