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.
Published: 2020-08-17
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories

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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.

Subscriptions

Microsoft Windows 10 Windows 10 1507 Windows 10 1607 Windows 10 1803 Windows 10 1809 Windows 10 1909 Windows 7 Windows 8.1 Windows Rt 8.1 Windows Server 1903 Windows Server 1909 Windows Server 2004 Windows Server 2008 Windows Server 2008 R2 Windows Server 2008 Sp2 Windows Server 2012 Windows Server 2012 R2 Windows Server 2016 Windows Server 2019
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

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.

cve-icon OpenCVE Enrichment

No data.

Weaknesses