Is It On KEV?

Microsoft Windows

YES - ON THE CISA KEV LIST
CVE-2024-38193

Microsoft Windows Ancillary Function Driver for WinSock Privilege Escalation Vulnerability

CISA catalog due date2024-09-03
overdue since 2024-09-03
EPSS exploit probability (next 30 days)28.5% · 98percentile
From CVE publication to KEV listing0 days (2024-08-13 → 2024-08-13)
Remediation window (KEV listing to due date)21 days
Days on the KEV list820 days
Date added to KEV2024-08-13
Known ransomware campaign useUnknown
VendorMicrosoft
ProductWindows
Weaknesses (CWE)CWE-416

Microsoft: 391 entries (22.0% of all KEV entries are from this vendor); 41 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

Your BOD 26-04 window (SSVC tier helper)

Your remediation window ends:

Description

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

Required action (CISA)

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

References

Other KEV entries for this vendor: Microsoft

Microsoft - Vendors with KEV entries

Go deeper

KEV deadlines are a governance problem as much as a patching one. TrebSec's AI governance packs help small teams document, assign, and evidence exactly this work.

AI Governance Policy Pack - $79 AI Vendor Workbook - $49 Both packs bundled - $99

Daily threat briefs at trebsec.com

Check another CVE