CVE-2023-35338

Memory Safety in Microsoft Windows Server 2008 r2

Memory Safety

Published

11 July 2023

Modified

21 November 2024

Patch / advisory

View advisory

CVSS Score v3.1 7.5

Click a component to see what it means

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Score 0.020 80th percentile

Risk Priority 63 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-35338 is a high-severity NULL Pointer Dereference (CWE-476) vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique OS Credential Dumping (T1003); ranked in the top 20% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2023-39341

Vulnerability Data

Windows Peer Name Resolution Protocol Denial of Service Vulnerability

CWE(s): CWE-476 NVD-CWE-noinfo

Related Threats

MITRE ATT&CK Enterprise Techniques

T1003 OS Credential Dumping Credential Access

Adversaries may attempt to dump credentials to obtain account login and credential material, normally in the form of a hash or a clear text password.

attack.mitre.org →

T1003.007 Proc Filesystem Credential Access

Adversaries may gather credentials from the proc filesystem or `/proc`.

attack.mitre.org →

T1006 Direct Volume Access Stealth

Adversaries may directly access a volume to bypass file access controls and file system monitoring.

attack.mitre.org →

T1011 Exfiltration Over Other Network Medium Exfiltration

Adversaries may attempt to exfiltrate data over a different network medium than the command and control channel.

attack.mitre.org →

T1012 Query Registry Discovery

Adversaries may interact with the Windows Registry to gather information about the system, configuration, and installed software.

attack.mitre.org →

T1016 System Network Configuration Discovery Discovery

Adversaries may look for details about the network configuration and settings, such as IP and/or MAC addresses, of systems they access or through information discovery of remote systems.

attack.mitre.org →

Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2024-26183Same product: Microsoft Windows 10 1507

CVE-2023-24940Same product: Microsoft Windows 10 1507

CVE-2024-21356Same product: Microsoft Windows 10 1507

CVE-2023-36602Same product: Microsoft Windows 10 1507

CVE-2023-32008Same product: Microsoft Windows 10 1507

CVE-2024-43520Same product: Microsoft Windows 10 1507

CVE-2023-21700Same product: Microsoft Windows 10 1607

CVE-2023-36709Same product: Microsoft Windows 10 1507

CVE-2024-38126Same product: Microsoft Windows 10 1507

CVE-2024-38146Same product: Microsoft Windows 10 1507

Affected Assets

microsoft

windows 10 1507

≤ 10.0.10240.20048

microsoft

windows 10 1607

≤ 10.0.14393.6085

microsoft

windows 10 1809

≤ 10.0.17763.4645

microsoft

windows 10 21h2

≤ 10.0.19041.3208

microsoft

windows 10 22h2

≤ 10.0.19045.3208

microsoft

windows 11 21h2

≤ 10.0.22000.2176

microsoft

windows 11 22h2

≤ 10.0.22621.1992

microsoft

windows server 2008

all versions, r2

microsoft

windows server 2012

all versions, r2

microsoft

windows server 2016

all versions

+2 more product configuration(s) — see NVD for full list

Mitigating Controls

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 partial match

blocks

Secure SDLC practices (static analysis, code review, safe coding standards) directly prevent NULL dereference bugs during development.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.5.14 Information transfer partial match

removes

A.5.15 Access control partial match

removes

A.5.16 Identity management partial match

removes

A.5.17 Authentication information partial match

removes

A.5.18 Access rights partial match

removes

A.8.10 Information deletion partial match

removes