Cyber Resilience

CVE-2023-24871

Memory Safety in Microsoft Windows 10 20H2 ≤ 10.0.19042.2728

Memory Safety
Published
14 March 2023
Modified
21 November 2024
Patch / advisory
View advisory
CVSS Score v3.1 8.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.032 87th percentile
Risk Priority 87 floored blend · peak EPSS

Summary

CVE-2023-24871 is a high-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Microsoft Windows 10 20H2. Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked in the top 13% 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.

CVE-2023-24871 is a remote code execution vulnerability in the Windows Bluetooth Service, carrying a CVSS 3.1 base score of 8.8. The flaw is associated with CWE-190 and permits an attacker to execute arbitrary code on an affected Windows system when the Bluetooth service processes specially crafted input.

An unauthenticated attacker with adjacent-network access can exploit the issue without user interaction to achieve full compromise of confidentiality, integrity, and availability on the target host. The attack vector requires proximity sufficient for Bluetooth communication but imposes no additional privileges or user actions.

Microsoft’s advisory at the referenced MSRC URL addresses mitigation through available security updates that resolve the vulnerability in supported Windows releases. The EPSS score has reached a peak of 0.5961 with a current value of 0.5346, indicating sustained exploitation interest following disclosure.

EU & UK References

Vulnerability Data

Windows Bluetooth Service Remote Code Execution Vulnerability

CWE(s)
CWE-190NVD-CWE-noinfo

Related Threats

MITRE ATT&CK Enterprise Techniques

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
attack.mitre.org →
T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
attack.mitre.org →
T1210 Exploitation of Remote Services Lateral Movement
Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-24949Same product: Microsoft Windows 10 20H2
CVE-2023-35315Same product: Microsoft Windows 10 21H2
CVE-2023-35364Same product: Microsoft Windows 10 21H2
CVE-2024-26184Same product: Microsoft Windows 10 21H2
CVE-2023-28248Same product: Microsoft Windows 10 20H2
CVE-2023-23417Same product: Microsoft Windows 10 20H2
CVE-2023-32051Same product: Microsoft Windows 10 21H2
CVE-2023-35644Same product: Microsoft Windows 10 21H2
CVE-2023-24909Same product: Microsoft Windows 10 20H2
CVE-2024-30021Same product: Microsoft Windows 10 21H2

Affected Assets

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 2022
all versions

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V5.2.6

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 mostly match
prevents

Secure SDLC practices directly require use of safe arithmetic, bounds checks, and testing that prevent integer overflows.

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.8.29 Security testing in development and acceptance mostly match
finds

Security testing in development can detect integer overflows before release.

A.8.25 Secure development life cycle partial match
prevents

Secure SDLC mandates input validation and arithmetic checks that prevent integer overflows.

A.8.26 Application security requirements partial match
degrades

Application security requirements include bounds checking and safe arithmetic to avoid overflow conditions.

A.8.27 Secure system architecture and engineering principles partial match
degrades

Secure architecture principles require defensive coding patterns that mitigate integer wraparound risks.

A.8.28 Secure coding partial match
prevents

Secure coding standards explicitly forbid unsafe integer operations and mandate overflow-safe constructs.

References