PT-2026-2740 · Microsoft · Windows Virtualization-Based Security+2

CVE-2026-20938 · Publicado 2026-01-13 · Atualizado 2026-01-13

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 Virtualization-Based Security (VBS) Enclave (affected versions not specified)

Description A flaw exists in Windows Virtualization-Based Security (VBS) Enclave that could allow a local attacker to gain higher privileges on the system. The issue is due to an untrusted pointer dereference. This could allow an authorized attacker to elevate privileges locally.

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:2026-00415

CVE-2026-20938

Produtos afetados

Windows

Windows Vbs Enclave

Windows Virtualization-Based Security

Referências · 6

• https://osv.dev/vulnerability/CVE-2026-20938 · Aviso do Fabricante
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-20938 · Aviso do Fabricante
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20938 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2026-20938 · Nota de Segurança
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20938 · Nota de Segurança
• https://bdu.fstec.ru/vul/2026-00415 · Nota de Segurança