PT-2026-2754 · Microsoft · Office Excel

Minjea Park · Publicado 2026-01-13 · Atualizado 2026-01-13 · CVE-2026-20955

Positive Technologies (AI Summary)

CVSS v3.1

7.8

Alta

Vetor base

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

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel (affected versions not specified)

Description An issue exists in Microsoft Office Excel where an untrusted pointer dereference can allow an unauthorized attacker to execute code 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:2026-00390

CVE-2026-20955

Produtos afetados

Office Excel

Referências · 5

• https://bdu.fstec.ru/vul/2026-00390 · Nota de Segurança
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20955 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2026-20955 · Nota de Segurança
• https://twitter.com/CVEnew/status/2011181533609218165 · Publicação no Twitter
• https://osv.dev/vulnerability/CVE-2026-20955 · Aviso do Fabricante