Cyber Resilience

CVE-2024-43550

High

Published: 08 October 2024

Published
08 October 2024
Modified
17 October 2024
KEV Added
—
Patch
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CVSS Score v3.1 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS Score 0.0182 83.3th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-43550 is a high-severity Improper Certificate Validation (CWE-295) vulnerability in Microsoft Windows 10 1507. Its CVSS base score is 7.4 (High).

Operationally, ranked in the top 16.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Windows Secure Channel Spoofing Vulnerability

CWE(s)
CWE-295NVD-CWE-noinfo

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

microsoft
windows 10 1507
≤ 10.0.10240.20796 · ≤ 10.0.10240.20796
microsoft
windows 10 1607
≤ 10.0.14393.7428 · ≤ 10.0.14393.7428
microsoft
windows 10 1809
≤ 10.0.17763.6414 · ≤ 10.0.17763.6414
microsoft
windows 10 21h2
≤ 10.0.19044.5011
microsoft
windows 10 22h2
≤ 10.0.19045.5011
microsoft
windows 11 21h2
≤ 10.0.22000.3260
microsoft
windows 11 22h2
≤ 10.0.22621.4317
microsoft
windows 11 23h2
≤ 10.0.22631.4317
microsoft
windows 11 24h2
≤ 10.0.26100.2033
microsoft
windows server 2012
all versions, r2
+4 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SA-19 Component Authenticity
addresses: CWE-295

When certificates are used to establish component provenance, the control requires correct certificate validation procedures.

SC-17 Public Key Infrastructure Certificates
addresses: CWE-295

Mandates approved trust anchors and issuance policies, directly preventing acceptance of unvalidated or untrusted certificates.

SC-45 System Time Synchronization
addresses: CWE-295

Correct system time is required for proper enforcement of certificate notBefore/notAfter dates and time-based revocation checks.

References