Advisories · Technology

marc4 Security Hardener.

Every CVE that names marc4 Security Hardener among its affected products, newest first. Vendors and products are as the CNA wrote them; check the affected versions on each record.

CVE-2026-16149 CVE record

CVSS 8.8 High

Security Hardener <= 2.4.4 - Authenticated (Subscriber+) Privilege Escalation via REST API '/wp/v2/users' permission_callback Overwrite
- marc4 Security Hardener
- Privilege escalation
Not analysed yet 22 Aug 2026