How severe is CVE-2023-36631?

CVE-2023-36631 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-36631 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-36631?

CVE-2023-36631 affects Malwarebytes Binisoft Windows Firewall Control. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-36631?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-36631 published?

CVE-2023-36631 was published on 2023-06-26 and last updated on 2026-06-17.

CVE-2023-36631

CVE-2023-36631 is a high-severity vulnerability in Malwarebytes Binisoft Windows Firewall Control with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Malwarebytes Binisoft Windows Firewall Control
Published: 2023-06-26
Last modified: 2026-06-17

Description

Lack of access control in wfc.exe in Malwarebytes Binisoft Windows Firewall Control 6.9.2.0 allows local unprivileged users to bypass Windows Firewall restrictions via the user interface's rules tab. NOTE: the vendor's perspective is "this is intended behavior as the application can be locked using a password."

Frequently asked questions

What is CVE-2023-36631?: Lack of access control in wfc.exe in Malwarebytes Binisoft Windows Firewall Control 6.9.2.0 allows local unprivileged users to bypass Windows Firewall restrictions via the user interface's rules tab. NOTE: the vendor's perspective is "this is intended behavior as the application can be locked using a password."
How severe is CVE-2023-36631?: CVE-2023-36631 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-36631 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-36631?: CVE-2023-36631 affects Malwarebytes Binisoft Windows Firewall Control. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-36631?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-36631 published?: CVE-2023-36631 was published on 2023-06-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:malwarebytes:binisoft_windows_firewall_control:6.9.2.0:*:*:*:*:*:*:*

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