CVE-2024-38193

CVE Enrichment

CVSS: 7.8 HIGH
EPSS: 28.74%
EPSS Percentile: 98.11%
CISA KEV: YES — Known Exploited Vulnerability

Description

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Technical Details

CVSS Version: 3.1
CNA / NVD Source: secure@microsoft.com
Published: 14-Aug-2024 01:15
Last Modified: 17-Jun-2026 14:39
EPSS Date: 2026-10-11
CWE: CWE-416

CVSS Vector


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

CISA KEV Details

Date Added: 2024-08-13
Remediation Due: 2024-09-03
Known Ransomware Campaign Use: Unknown
Required Action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38193; https://nvd.nist.gov/vuln/detail/CVE-2024-38193

Affected Products / Versions

microsoft / windows_10_1507
Version / affected range: * · before (exclusive) 10.0.10240.20751
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*
microsoft / windows_10_1607
Version / affected range: * · before (exclusive) 10.0.14393.7259
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*
microsoft / windows_10_1809
Version / affected range: * · before (exclusive) 10.0.17763.6189
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*
microsoft / windows_10_21h2
Version / affected range: * · before (exclusive) 10.0.19044.4780
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*
microsoft / windows_10_22h2
Version / affected range: * · before (exclusive) 10.0.19045.4780
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*
microsoft / windows_11_21h2
Version / affected range: * · before (exclusive) 10.0.22000.3147
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*
microsoft / windows_11_22h2
Version / affected range: * · before (exclusive) 10.0.22621.4037
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
microsoft / windows_11_23h2
Version / affected range: * · before (exclusive) 10.0.22631.4037
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*
microsoft / windows_11_24h2
Version / affected range: * · before (exclusive) 10.0.26100.1457
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
microsoft / windows_server_2008
Version / affected range: -
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
microsoft / windows_server_2008
Version / affected range: r2
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
microsoft / windows_server_2012
Version / affected range: * · before (exclusive) 6.2.9200.25031
cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*
microsoft / windows_server_2012
Version / affected range: r2
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
microsoft / windows_server_2016
Version / affected range: * · before (exclusive) 10.0.14393.7259
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
microsoft / windows_server_2019
Version / affected range: * · before (exclusive) 10.0.17763.6189
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
microsoft / windows_server_2022
Version / affected range: * · before (exclusive) 10.0.20348.2655
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
microsoft / windows_server_2022_23h2
Version / affected range: * · before (exclusive) 10.0.25398.1085
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*

References

Last enrichment sync: 12-Oct-2026 17:51
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

In 2024, FudModule was reported to use another zero-day, CVE-2024-38193, a use-after-free vulnerability in the same afd.sys driver. Lazarus Uses AFD.sys Zero-Day in Operation Dream Job Campaign Targeting Defense Sector

CVE (3)

Malware (6)

Threat Actors (1)

MITRE ATT&CK (16)

Vendors (1)

Products (7)

Tools (1)

Industries (3)

Countries (5)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.