Security Resilience

CVE-2023-24859

Memory Safety in Microsoft Windows Server 2012 r2

Published
14 March 2023
Modified
21 November 2024
Patch / advisory
CVSS Score v3.1 7.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.017 76th percentile
Risk Priority 71 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-2023-24859 is a high-severity NULL Pointer Dereference (CWE-476) vulnerability in Microsoft Windows Server 2012. 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 24% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

Windows Internet Key Exchange (IKE) Extension contains a denial-of-service vulnerability tracked as CVE-2023-24859. The flaw, assigned CVSS 7.5 and linked to CWE-476, affects the IKE component in Windows and can be triggered remotely to produce a high-impact availability condition without requiring authentication or user interaction.

An unauthenticated attacker can send specially crafted network traffic to a vulnerable Windows system and cause the IKE Extension to stop responding, resulting in denial of service. The attack requires only network connectivity and no privileges, making it exploitable from anywhere on the network path.

Microsoft security advisories at the referenced MSRC pages describe the issue and direct administrators to the corresponding security updates for remediation. The associated EPSS score has reached 0.2219, indicating meaningful exploitation interest following disclosure.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability

CWE(s)

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.
T1003.007 Proc Filesystem Credential Access
Adversaries may gather credentials from the proc filesystem or `/proc`.
T1006 Direct Volume Access Stealth
Adversaries may directly access a volume to bypass file access controls and file system monitoring.
T1011 Exfiltration Over Other Network Medium Exfiltration
Adversaries may attempt to exfiltrate data over a different network medium than the command and control channel.
T1012 Query Registry Discovery
Adversaries may interact with the Windows Registry to gather information about the system, configuration, and installed software.
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.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-21700Same product: Microsoft Windows 10
CVE-2023-21683Same product: Microsoft Windows 10 1607
CVE-2023-24940Same product: Microsoft Windows 10 1607
CVE-2023-35338Same product: Microsoft Windows 10 1607
CVE-2023-32008Same product: Microsoft Windows 10 1607
CVE-2023-24910Same product: Microsoft Windows 10 1607
CVE-2024-26183Same product: Microsoft Windows 10 1607
CVE-2024-38126Same product: Microsoft Windows 10 1607
CVE-2024-38146Same product: Microsoft Windows 10 1607
CVE-2024-21356Same product: Microsoft Windows 10 1607

Affected Assets

microsoft
windows 10
≤ 10.0.10240.19805
microsoft
windows 10 1607
≤ 10.0.14393.5786
microsoft
windows 10 1809
≤ 10.0.17763.4131
microsoft
windows 10 20h2
≤ 10.0.19042.2728
microsoft
windows 10 21h2
≤ 10.0.19044.2728
microsoft
windows 10 22h2
≤ 10.0.19045.2728
microsoft
windows 11 21h2
≤ 10.0.22000.1696
microsoft
windows 11 22h2
≤ 10.0.22000.1413
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.

removes
removes
removes
removes
removes

References