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CVE-2024-38193

KEVMicrosoft Windows Ancillary Function Driver for WinSock Privilege Escalation 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.

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

CVSS 3.1 vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
PublishedAug 13, 2024
Last modifiedJun 17, 2026
Added to KEVAug 13, 2024
Remediation dueSep 3, 2024
    72
    Risk assessment · High

    Actively exploited. Patch immediately.

    Exploitation
    Confirmed in the wild (CISA KEV)
    Federal remediation deadline
    Overdue by 783 days
    CVSS
    7.8 HIGH
    EPSS (30-day exploit probability)
    28.7% · top 2% of all CVEs
    Weakness
    CWE-416
    1. 1.Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
    2. 2.Treat as emergency change: patch or isolate internet-facing instances first.
    3. 3.Hunt for compromise: review logs for the disclosure window, not just from the patch date.

    Assessment is derived automatically from the live signals above; verify against your own asset inventory.