PT-2026-2732 · Microsoft · Windows Smb Server+1

Publicado 2026-01-13 · Atualizado 2026-01-13 · CVE-2026-20927

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions Windows SMB Server (affected versions not specified)

Description A race condition exists in Windows SMB Server due to improper synchronization when handling concurrent execution with shared resources. This allows an authorized attacker to cause a denial of service over a network.

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

DoS

Race Condition

Enumeração de Fraquezas

CWE-362

Identificadores relacionados

BDU:2026-00392

CVE-2026-20927

Produtos afetados

Windows

Windows Smb Server

Referências · 7

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20927 · Nota de Segurança
• https://nvd.nist.gov/vuln/detail/CVE-2026-20927 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2026-20927 · Aviso do Fabricante
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20927 · Aviso do Fabricante
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-20927 · Aviso do Fabricante
• https://bdu.fstec.ru/vul/2026-00392 · Nota de Segurança
• https://twitter.com/CVEnew/status/2011181543717580939 · Publicação no Twitter