How severe is CVE-2024-43546?

CVE-2024-43546 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-43546 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-43546?

CVE-2024-43546 primarily affects Microsoft Windows 10 21h2. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-43546?

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

Does CVE-2024-43546 have an EU (EUVD) identifier?

Yes. CVE-2024-43546 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-40303.

When was CVE-2024-43546 published?

CVE-2024-43546 was published on 2024-10-08 and last updated on 2026-06-17.

CVE-2024-43546

CVE-2024-43546 is a medium-severity vulnerability in Microsoft Windows 10 21h2 with a CVSS 3.x base score of 5.6. 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-203.

Key facts

Severity: Medium (CVSS 3.x base score 5.6)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-40303
Weakness: CWE-203
Affected product: Microsoft Windows 10 21h2
Published: 2024-10-08
Last modified: 2026-06-17

Description

Windows Cryptographic Information Disclosure Vulnerability

Frequently asked questions

What is CVE-2024-43546?: Windows Cryptographic Information Disclosure Vulnerability
How severe is CVE-2024-43546?: CVE-2024-43546 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-43546 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-43546?: CVE-2024-43546 primarily affects Microsoft Windows 10 21h2. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-43546?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-43546 have an EU (EUVD) identifier?: Yes. CVE-2024-43546 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-40303.
When was CVE-2024-43546 published?: CVE-2024-43546 was published on 2024-10-08 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43546

Affected products (8)

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_11_24h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*

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Browse all CWE-203 (Observable Discrepancy) vulnerabilities →