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MalCare Security - Denial of Service (CVE-2026-84776)

CVE-2026-84776

Vulnerability CVE-2026-84776 PLUGIN malcare-security HIGH

Unauthenticated Denial of Service Attack in MalCare Security

CVE-2026-84776

HIGH CVSS 7.5 Published 2026-09-03 Updated 2026-09-04
AI Risk Elevated (74/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P3 Priority
Severity Band HIGH
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Components 1
Reference Links 1
AI Risk Engine Elevated (74/100)
Exploitability Medium
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2026-09-03 CVE published and first recorded in the threat feed.
  2. 2026-09-04 Record updated with latest vulnerability metadata.
  3. 2026-09-05 AI technical context refreshed for mitigation and impact guidance.
  4. Now Monitoring for follow-up changes, linked references, and new related CVEs.

AI Context

Machine-generated threat intelligence

AI Updated 47 days ago

AI enriched 47 days ago (2026-09-05 05:38 UTC)

Technical Summary

Unauthenticated Denial of Service Attack in MalCare Security

Potential Impact

Severity is HIGH (CVSS 7.5). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as Medium based on low-bar exploit prerequisites.

Primary risk drivers: low-bar exploit prerequisites

Mitigation Recommendations

Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.

Detection & Monitoring

Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.

Business Impact Lens

AI risk score 74/100 (Elevated, Medium) with priority P3 Priority. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Affected Products

MalCare Security PLUGIN · malcare-security Affected: <= 6.69 Fixed version not specified

Related Vulnerabilities

Browse All Threats

Newest linked vulnerabilities to keep visitors exploring adjacent CVE coverage.

No related vulnerability records were found yet for this context.

References

What to do about this

Patch promptly The consequence is significant even where an attacker needs a foothold first.

Fix it

Update MalCare Security to the latest available version.

Where the vendor has not published a fix yet, disable the plugin until they do.

Cannot update today? Inbound firewall policies in Hack Halt Pro blocks this class of attack before WordPress processes the request.

Turn the inbound firewall to enforcing. In Observe mode requests are logged but never blocked, so the protection is reporting only.

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Not sure if you are affected?

Scan your site to see whether it runs MalCare Security, and at which version.

Free, no installation, no account. It reads what your site already publishes, then tells you which plugins carry known vulnerabilities and what to do about each one.

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Am I affected by this vulnerability?

You are affected if your site runs MalCare Security. No account is needed to exploit this, so a public site is reachable by anyone.

How do I fix it?

Update MalCare Security to the latest available version. Where the vendor has not yet published a fix, remove or disable the plugin until they do. Until you can update, Inbound firewall policies in Hack Halt Pro contains this class of attack at the request layer.

What can an attacker actually do?

This is a Denial of Service flaw. An attacker who exploits it can exhaust the server's resources and take the site offline.

WordPress security that blocks attacks before they land.

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