How severe is CVE-2024-21417?

CVE-2024-21417 has a CVSS 3.x base score of 8.8, 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-2024-21417 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21417?

CVE-2024-21417 primarily affects Microsoft Windows 10 1809. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-21417?

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-2024-21417 have an EU (EUVD) identifier?

Yes. CVE-2024-21417 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19126.

When was CVE-2024-21417 published?

CVE-2024-21417 was published on 2024-07-10 and last updated on 2026-06-17.

CVE-2024-21417

CVE-2024-21417 is a high-severity vulnerability in Microsoft Windows 10 1809 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-862.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19126
Weakness: CWE-862
Affected product: Microsoft Windows 10 1809
Published: 2024-07-10
Last modified: 2026-06-17

Description

Windows Text Services Framework Elevation of Privilege Vulnerability

Frequently asked questions

What is CVE-2024-21417?: Windows Text Services Framework Elevation of Privilege Vulnerability
How severe is CVE-2024-21417?: CVE-2024-21417 has a CVSS 3.x base score of 8.8, 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-2024-21417 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21417?: CVE-2024-21417 primarily affects Microsoft Windows 10 1809. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-21417?: 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-2024-21417 have an EU (EUVD) identifier?: Yes. CVE-2024-21417 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19126.
When was CVE-2024-21417 published?: CVE-2024-21417 was published on 2024-07-10 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21417

Affected products (10)

cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*
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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