UNKNOWN CISA KEV

CVE-2026-18577

CVSS v3

—

Unknown

EPSS Score

2.5%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Description

An incomplete patch for CVE-2026-18556 allows for authentication bypass and account takeover in N-central Versions through 2026.3.1

CISA Known Exploited Vulnerability

Date Added: 8/3/2026
Patch Due Date: 8/6/2026
Ransomware Use: Unknown

Technical details

Published: 8/2/2026
Last Modified: 8/4/2026

Frequently asked questions

What is CVE-2026-18577?

An incomplete patch for CVE-2026-18556 allows for authentication bypass and account takeover in N-central Versions through 2026.3.1

Is CVE-2026-18577 actively exploited?

Yes. CVE-2026-18577 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 8/6/2026.

What is the CVSS score for CVE-2026-18577?

A CVSS score has not been assigned to CVE-2026-18577 yet.

Is CVE-2026-18577 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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