Cyber Resilience

CVE-2023-38139

HighPublic PoC

Published: 12 September 2023

Published
12 September 2023
Modified
08 April 2025
KEV Added
—
Patch
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CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0067 71.8th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-38139 is a high-severity Use After Free (CWE-416) vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 28.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Windows Kernel Elevation of Privilege Vulnerability

CWE(s)
CWE-416NVD-CWE-noinfo

Related Threats

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

Affected Assets

microsoft
windows 10 1507
≤ 10.0.10240.20162
microsoft
windows 10 1607
≤ 10.0.14393.6252
microsoft
windows 10 1809
≤ 10.0.17763.4851
microsoft
windows 10 21h2
≤ 10.0.19044.3448
microsoft
windows 10 22h2
≤ 10.0.19045.3448
microsoft
windows 11 21h2
≤ 10.0.22000.2416
microsoft
windows 11 22h2
≤ 10.0.22621.2275
microsoft
windows server 2008
all versions, r2
microsoft
windows server 2012
all versions, r2
microsoft
windows server 2016
≤ 10.0.14393.6252
+2 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.

SI-16 Memory Protection
addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References