How severe is CVE-2024-43549?

CVE-2024-43549 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-43549 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-43549?

CVE-2024-43549 primarily affects Microsoft Windows Server 2008. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-43549?

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-2024-43549 have an EU (EUVD) identifier?

Yes. CVE-2024-43549 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-40305.

When was CVE-2024-43549 published?

CVE-2024-43549 was published on 2024-10-08 and last updated on 2026-06-17.

CVE-2024-43549

CVE-2024-43549 is a high-severity vulnerability in Microsoft Windows Server 2008 with a CVSS 3.x base score of 8.8. 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-121.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-40305
Weakness: CWE-121
Affected product: Microsoft Windows Server 2008
Published: 2024-10-08
Last modified: 2026-06-17

Description

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

Frequently asked questions

What is CVE-2024-43549?: Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
How severe is CVE-2024-43549?: CVE-2024-43549 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-43549 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-43549?: CVE-2024-43549 primarily affects Microsoft Windows Server 2008. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-43549?: 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-2024-43549 have an EU (EUVD) identifier?: Yes. CVE-2024-43549 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-40305.
When was CVE-2024-43549 published?: CVE-2024-43549 was published on 2024-10-08 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43549

Affected products (9)

cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*
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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