PT-2026-2684 · Microsoft · Windows Shell+1

Nacl · Publicado 2026-01-13 · Atualizado 2026-01-15 · CVE-2026-20834

Positive Technologies (AI Summary)

CVSS v2.0

4.9

Média

Vetor base

AV:L/AC:L/Au:N/C:C/I:N/A:N

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

Description A security issue exists in Windows Shell that allows an unauthorized attacker to perform spoofing. This requires physical access to the system. The issue involves an absolute path traversal, enabling attackers to affect the system.

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

Enumeração de Fraquezas

CWE-36

CWE-359

Identificadores relacionados

BDU:2026-00534

CVE-2026-20834

Produtos afetados

Windows

Windows Shell

Referências · 8

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20834 · Aviso do Fabricante
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-20834 · Aviso do Fabricante
• https://twitter.com/vuldb/status/2011433262531657917 · Publicação no Twitter
• https://twitter.com/CVEnew/status/2011759680876363866 · Publicação no Twitter
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20834 · Nota de Segurança
• https://nvd.nist.gov/vuln/detail/CVE-2026-20834 · Nota de Segurança
• https://bdu.fstec.ru/vul/2026-00534 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2026-20834 · Aviso do Fabricante