PT-2026-2698 · Microsoft · Windows Shell+1

CVE-2026-20852 · Publicado 2026-01-13 · Atualizado 2026-01-15

Positive Technologies (AI Summary)

CVSS v3.1

7.7

Alta

Vetor base

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

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

Description A flaw in Windows Hello’s privilege assignment allows a local attacker to perform tampering on the system. This issue could allow unauthorized access and manipulation of the system.

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

Incorrect Privilege Assignment

Enumeração de Fraquezas

CWE-266

Identificadores relacionados

BDU:2026-00434

CVE-2026-20852

Produtos afetados

Windows

Windows Shell

Referências · 7

• https://osv.dev/vulnerability/CVE-2026-20852 · Aviso do Fabricante
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-20852 · Aviso do Fabricante
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20852 · Aviso do Fabricante
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20852 · Nota de Segurança
• https://bdu.fstec.ru/vul/2026-00434 · Nota de Segurança
• https://twitter.com/CVEnew/status/2011759670956814669 · Publicação no Twitter
• https://nvd.nist.gov/vuln/detail/CVE-2026-20852 · Nota de Segurança