How severe is CVE-2024-43456?

CVE-2024-43456 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-43456 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-43456?

CVE-2024-43456 primarily affects Microsoft Windows Server 2008. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-43456?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-43456 have an EU (EUVD) identifier?

Yes. CVE-2024-43456 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-40725.

When was CVE-2024-43456 published?

CVE-2024-43456 was published on 2024-10-08 and last updated on 2026-06-17.

CVE-2024-43456

CVE-2024-43456 is a medium-severity vulnerability in Microsoft Windows Server 2008 with a CVSS 3.x base score of 4.8. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-40725
Weakness: CWE-284
Affected product: Microsoft Windows Server 2008
Published: 2024-10-08
Last modified: 2026-06-17

Description

Windows Remote Desktop Services Tampering Vulnerability

Frequently asked questions

What is CVE-2024-43456?: Windows Remote Desktop Services Tampering Vulnerability
How severe is CVE-2024-43456?: CVE-2024-43456 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-43456 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-43456?: CVE-2024-43456 primarily affects Microsoft Windows Server 2008. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-43456?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-43456 have an EU (EUVD) identifier?: Yes. CVE-2024-43456 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-40725.
When was CVE-2024-43456 published?: CVE-2024-43456 was published on 2024-10-08 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43456

Affected products (7)

cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
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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