Cyber Resilience

CVE-2023-24949

Memory Safety in Microsoft Windows 10 1809 ≤ 10.0.17763.4377

Published
09 May 2023
Modified
21 November 2024
Patch / advisory
CVSS Score v3.1 7.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.25 98th percentile
Risk Priority 71 floored blend · peak EPSS

Summary

CVE-2023-24949 is a high-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Microsoft Windows 10 1809. Its CVSS base score is 7.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked in the top 2% 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-2023-24949 is a Windows Kernel elevation of privilege vulnerability that affects the core operating system component responsible for managing system resources and access controls. It carries a CVSS 3.1 base score of 7.8 and is associated with CWE-190 integer overflow or wraparound.

An attacker with low privileges and local access can exploit the flaw without user interaction to obtain full administrative control, resulting in complete compromise of confidentiality, integrity, and availability on the target system.

Microsoft's security update guide at the referenced MSRC advisory addresses patches and mitigation steps for this issue. The associated EPSS score remains low, with a current value of 0.0654 and a peak of 0.0790.

EU & UK References

Vulnerability Data

Windows Kernel Elevation of Privilege Vulnerability

CWE(s)

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.
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.
T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
T1210 Exploitation of Remote Services Lateral Movement
Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-35315Same product: Microsoft Windows 10 1809
CVE-2023-35364Same product: Microsoft Windows 10 1809
CVE-2023-28248Same product: Microsoft Windows 10 1809
CVE-2023-23417Same product: Microsoft Windows 10 1809
CVE-2023-35644Same product: Microsoft Windows 10 1809
CVE-2023-24871Same product: Microsoft Windows 10 20H2
CVE-2023-24909Same product: Microsoft Windows 10 1809
CVE-2024-30021Same product: Microsoft Windows 10 1809
CVE-2024-30005Same product: Microsoft Windows 10 1809
CVE-2024-29999Same product: Microsoft Windows 10 1809

Affected Assets

microsoft
windows 10 1809
≤ 10.0.17763.4377
microsoft
windows 10 20h2
≤ 10.0.19042.2965
microsoft
windows 10 21h2
≤ 10.0.19044.2965
microsoft
windows 10 22h2
≤ 10.0.19045.2965
microsoft
windows 11 21h2
≤ 10.0.22000.1936
microsoft
windows 11 22h2
≤ 10.0.22000.1702
microsoft
windows server 2019
all versions
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.

finds

Security testing in development can detect integer overflows before release.

prevents

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

degrades

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

degrades

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

prevents

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

References