PT-2026-7354 · Microsoft · Windows Http.Sys+1

Matthew Cox · Publicado 2026-02-10 · Atualizado 2026-02-10 · CVE-2026-21250

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 HTTP.sys (affected versions not specified)

Description An issue exists in Windows HTTP.sys where an untrusted pointer dereference can lead to local privilege escalation. An authorized attacker can exploit this to gain elevated privileges on a system.

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

Untrusted Pointer Dereference

Enumeração de Fraquezas

CWE-822

Identificadores relacionados

BDU:2026-01805

CVE-2026-21250

Produtos afetados

Windows

Windows Http.Sys

Referências · 6

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-21250 · Aviso do Fabricante
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-21250 · Nota de Segurança
• https://nvd.nist.gov/vuln/detail/CVE-2026-21250 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2026-21250 · Aviso do Fabricante
• https://bdu.fstec.ru/vul/2026-01805 · Nota de Segurança
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21250 · Aviso do Fabricante