How severe is CVE-2024-43567?

CVE-2024-43567 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-43567 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-43567?

CVE-2024-43567 primarily affects Microsoft Windows Server 2012. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-43567?

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.

Does CVE-2024-43567 have an EU (EUVD) identifier?

Yes. CVE-2024-43567 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-40323.

When was CVE-2024-43567 published?

CVE-2024-43567 was published on 2024-10-08 and last updated on 2026-06-17.

CVE-2024-43567

CVE-2024-43567 is a high-severity vulnerability in Microsoft Windows Server 2012 with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-40323
Weakness: CWE-770
Affected product: Microsoft Windows Server 2012
Published: 2024-10-08
Last modified: 2026-06-17

Description

Windows Hyper-V Denial of Service Vulnerability

Frequently asked questions

What is CVE-2024-43567?: Windows Hyper-V Denial of Service Vulnerability
How severe is CVE-2024-43567?: CVE-2024-43567 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-43567 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-43567?: CVE-2024-43567 primarily affects Microsoft Windows Server 2012. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-43567?: 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.
Does CVE-2024-43567 have an EU (EUVD) identifier?: Yes. CVE-2024-43567 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-40323.
When was CVE-2024-43567 published?: CVE-2024-43567 was published on 2024-10-08 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43567

Affected products (6)

cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*

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