PT-2025-42125 · Microsoft · Windows Ancillary Function Driver For Winsock+1

CVE-2025-59242 · Publicado 2025-10-14 · Atualizado 2025-10-14

Positive Technologies (AI Summary)

CVSS v3.1

7.8

Alta

Vetor base

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Windows Ancillary Function Driver for WinSock (affected versions not specified)

Description A heap-based buffer overflow exists in the Windows Ancillary Function Driver for WinSock. This issue allows a locally authorized attacker to elevate privileges.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Integer Underflow

Heap Based Buffer Overflow

Enumeração de Fraquezas

CWE-191

CWE-122

Identificadores relacionados

BDU:2025-13098

CVE-2025-59242

Produtos afetados

Windows

Windows Ancillary Function Driver For Winsock

Referências · 7

• https://osv.dev/vulnerability/CVE-2025-59242 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2025-59242 · Nota de Segurança
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-59242 · Nota de Segurança
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59242 · Aviso do Fabricante
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-59242 · Aviso do Fabricante
• https://twitter.com/CVEnew/status/1978198244065763668 · Publicação no Twitter
• https://bdu.fstec.ru/vul/2025-13098 · Nota de Segurança