CVE-2024-38193

Microsoft Windows Ancillary Function Driver for WinSock Privilege Escalation Vulnerability

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

Act

*SSVC

Descriptions

NVD
CISA

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Microsoft Windows Ancillary Function Driver for WinSock contains an unspecified vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM privileges.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Act

Exploitation

Active

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2024-06-11 CVE Reserved
2024-08-13 CVE Published
2024-08-13 Exploited in Wild
2024-09-03 KEV Due Date
2024-12-03 First Exploit
2025-01-23 CVE Updated
2025-03-30 EPSS Updated

CWE

CWE-416: Use After Free

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://github.com/killvxk/CVE-2024-38193-Nephster	2024-12-03

URL	Date	SRC

URL	Date	SRC
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38193	2024-08-13

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Microsoft Search vendor "Microsoft"		Windows 11 Version 24H2 Search vendor "Microsoft" for product "Windows 11 Version 24H2"				>= 10.0.26100.0 < 10.0.26100.1457 Search vendor "Microsoft" for product "Windows 11 Version 24H2" and version " >= 10.0.26100.0 < 10.0.26100.1457"		en		Affected
Microsoft Search vendor "Microsoft"		Windows 10 Version 1809 Search vendor "Microsoft" for product "Windows 10 Version 1809"				>= 10.0.17763.0 < 10.0.17763.6189 Search vendor "Microsoft" for product "Windows 10 Version 1809" and version " >= 10.0.17763.0 < 10.0.17763.6189"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2019 Search vendor "Microsoft" for product "Windows Server 2019"				>= 10.0.17763.0 < 10.0.17763.6189 Search vendor "Microsoft" for product "Windows Server 2019" and version " >= 10.0.17763.0 < 10.0.17763.6189"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2019 (Server Core Installation) Search vendor "Microsoft" for product "Windows Server 2019 (Server Core Installation)"				>= 10.0.17763.0 < 10.0.17763.6189 Search vendor "Microsoft" for product "Windows Server 2019 (Server Core Installation)" and version " >= 10.0.17763.0 < 10.0.17763.6189"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2022 Search vendor "Microsoft" for product "Windows Server 2022"				>= 10.0.20348.0 < 10.0.20348.2655 Search vendor "Microsoft" for product "Windows Server 2022" and version " >= 10.0.20348.0 < 10.0.20348.2655"		en		Affected
Microsoft Search vendor "Microsoft"		Windows 11 Version 21H2 Search vendor "Microsoft" for product "Windows 11 Version 21H2"				>= 10.0.0.0 < 10.0.22000.3147 Search vendor "Microsoft" for product "Windows 11 Version 21H2" and version " >= 10.0.0.0 < 10.0.22000.3147"		en		Affected
Microsoft Search vendor "Microsoft"		Windows 10 Version 21H2 Search vendor "Microsoft" for product "Windows 10 Version 21H2"				>= 10.0.19043.0 < 10.0.19044.4780 Search vendor "Microsoft" for product "Windows 10 Version 21H2" and version " >= 10.0.19043.0 < 10.0.19044.4780"		en		Affected
Microsoft Search vendor "Microsoft"		Windows 11 Version 22H2 Search vendor "Microsoft" for product "Windows 11 Version 22H2"				>= 10.0.22621.0 < 10.0.22621.4037 Search vendor "Microsoft" for product "Windows 11 Version 22H2" and version " >= 10.0.22621.0 < 10.0.22621.4037"		en		Affected
Microsoft Search vendor "Microsoft"		Windows 10 Version 22H2 Search vendor "Microsoft" for product "Windows 10 Version 22H2"				>= 10.0.19045.0 < 10.0.19045.4780 Search vendor "Microsoft" for product "Windows 10 Version 22H2" and version " >= 10.0.19045.0 < 10.0.19045.4780"		en		Affected
Microsoft Search vendor "Microsoft"		Windows 11 Version 22H3 Search vendor "Microsoft" for product "Windows 11 Version 22H3"				>= 10.0.22631.0 < 10.0.22631.4037 Search vendor "Microsoft" for product "Windows 11 Version 22H3" and version " >= 10.0.22631.0 < 10.0.22631.4037"		en		Affected
Microsoft Search vendor "Microsoft"		Windows 11 Version 23H2 Search vendor "Microsoft" for product "Windows 11 Version 23H2"				>= 10.0.22631.0 < 10.0.22631.4037 Search vendor "Microsoft" for product "Windows 11 Version 23H2" and version " >= 10.0.22631.0 < 10.0.22631.4037"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2022, 23H2 Edition (Server Core Installation) Search vendor "Microsoft" for product "Windows Server 2022, 23H2 Edition (Server Core Installation)"				>= 10.0.25398.0 < 10.0.25398.1085 Search vendor "Microsoft" for product "Windows Server 2022, 23H2 Edition (Server Core Installation)" and version " >= 10.0.25398.0 < 10.0.25398.1085"		en		Affected
Microsoft Search vendor "Microsoft"		Windows 10 Version 1507 Search vendor "Microsoft" for product "Windows 10 Version 1507"				>= 10.0.10240.0 < 10.0.10240.20751 Search vendor "Microsoft" for product "Windows 10 Version 1507" and version " >= 10.0.10240.0 < 10.0.10240.20751"		en		Affected
Microsoft Search vendor "Microsoft"		Windows 10 Version 1607 Search vendor "Microsoft" for product "Windows 10 Version 1607"				>= 10.0.14393.0 < 10.0.14393.7259 Search vendor "Microsoft" for product "Windows 10 Version 1607" and version " >= 10.0.14393.0 < 10.0.14393.7259"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2016 Search vendor "Microsoft" for product "Windows Server 2016"				>= 10.0.14393.0 < 10.0.14393.7259 Search vendor "Microsoft" for product "Windows Server 2016" and version " >= 10.0.14393.0 < 10.0.14393.7259"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2016 (Server Core Installation) Search vendor "Microsoft" for product "Windows Server 2016 (Server Core Installation)"				>= 10.0.14393.0 < 10.0.14393.7259 Search vendor "Microsoft" for product "Windows Server 2016 (Server Core Installation)" and version " >= 10.0.14393.0 < 10.0.14393.7259"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Service Pack 2 Search vendor "Microsoft" for product "Windows Server 2008 Service Pack 2"				>= 6.0.6003.0 < 6.0.6003.22825 Search vendor "Microsoft" for product "Windows Server 2008 Service Pack 2" and version " >= 6.0.6003.0 < 6.0.6003.22825"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Service Pack 2 (Server Core Installation) Search vendor "Microsoft" for product "Windows Server 2008 Service Pack 2 (Server Core Installation)"				>= 6.0.6003.0 < 6.0.6003.22825 Search vendor "Microsoft" for product "Windows Server 2008 Service Pack 2 (Server Core Installation)" and version " >= 6.0.6003.0 < 6.0.6003.22825"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Service Pack 2 Search vendor "Microsoft" for product "Windows Server 2008 Service Pack 2"				>= 6.0.6003.0 < 6.0.6003.22825 Search vendor "Microsoft" for product "Windows Server 2008 Service Pack 2" and version " >= 6.0.6003.0 < 6.0.6003.22825"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 R2 Service Pack 1 Search vendor "Microsoft" for product "Windows Server 2008 R2 Service Pack 1"				>= 6.1.7601.0 < 6.1.7601.27277 Search vendor "Microsoft" for product "Windows Server 2008 R2 Service Pack 1" and version " >= 6.1.7601.0 < 6.1.7601.27277"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 R2 Service Pack 1 (Server Core Installation) Search vendor "Microsoft" for product "Windows Server 2008 R2 Service Pack 1 (Server Core Installation)"				>= 6.1.7601.0 < 6.1.7601.27277 Search vendor "Microsoft" for product "Windows Server 2008 R2 Service Pack 1 (Server Core Installation)" and version " >= 6.1.7601.0 < 6.1.7601.27277"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2012 Search vendor "Microsoft" for product "Windows Server 2012"				>= 6.2.9200.0 < 6.2.9200.25031 Search vendor "Microsoft" for product "Windows Server 2012" and version " >= 6.2.9200.0 < 6.2.9200.25031"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2012 (Server Core Installation) Search vendor "Microsoft" for product "Windows Server 2012 (Server Core Installation)"				>= 6.2.9200.0 < 6.2.9200.25031 Search vendor "Microsoft" for product "Windows Server 2012 (Server Core Installation)" and version " >= 6.2.9200.0 < 6.2.9200.25031"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2012 R2 Search vendor "Microsoft" for product "Windows Server 2012 R2"				>= 6.3.9600.0 < 6.3.9600.22134 Search vendor "Microsoft" for product "Windows Server 2012 R2" and version " >= 6.3.9600.0 < 6.3.9600.22134"		en		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2012 R2 (Server Core Installation) Search vendor "Microsoft" for product "Windows Server 2012 R2 (Server Core Installation)"				>= 6.3.9600.0 < 6.3.9600.22134 Search vendor "Microsoft" for product "Windows Server 2012 R2 (Server Core Installation)" and version " >= 6.3.9600.0 < 6.3.9600.22134"		en		Affected