Cyber Resilience

CVE-2024-43565

High

Published: 08 October 2024

Published
08 October 2024
Modified
28 March 2025
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0855 92.6th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-43565 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Microsoft Windows 10 1507. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 7.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

CVE-2024-43565 is a denial-of-service vulnerability in the Windows Network Address Translation (NAT) component. It is rated 7.5 under CVSS 3.1 with the vector string AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H and is linked to CWE-125. The flaw permits remote, unauthenticated triggering of conditions that disrupt NAT processing.

An attacker with network reachability can send crafted traffic to induce a crash or resource exhaustion in the affected NAT implementation, producing a high availability impact while leaving confidentiality and integrity untouched. No user interaction or credentials are required, making the attack surface any Windows system exposing NAT functionality to untrusted networks.

Microsoft’s advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43565 supplies remediation guidance and patch availability. The associated EPSS score remains flat at 0.0855 with no observed rise after disclosure.

EU & UK References

Vulnerability details

Windows Network Address Translation (NAT) Denial of Service Vulnerability

CWE(s)

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 2016
≤ 10.0.14393.7428
+3 more product configuration(s) — see NVD for full list

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References