An elevation of privilege vulnerability exists when the Windows Ancillary Function Driver for WinSock improperly handles memory. To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges. The security update addresses the vulnerability by correcting how the Windows Ancillary Function Driver for WinSock handles memory.
History

Mon, 23 Feb 2026 18:15:00 +0000

Type Values Removed Values Added
Description An elevation of privilege vulnerability exists when the Windows Ancillary Function Driver for WinSock improperly handles memory. To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges. The security update addresses the vulnerability by correcting how the Windows Ancillary Function Driver for WinSock handles memory. An elevation of privilege vulnerability exists when the Windows Ancillary Function Driver for WinSock improperly handles memory. To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges. The security update addresses the vulnerability by correcting how the Windows Ancillary Function Driver for WinSock handles memory.

cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2020-08-17T19:13:52.000Z

Updated: 2024-08-04T06:39:10.664Z

Reserved: 2019-11-04T00:00:00.000Z

Link: CVE-2020-1587

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-08-17T19:15:21.803

Modified: 2026-02-23T18:25:43.493

Link: CVE-2020-1587

cve-icon Redhat

No data.