PT-2026-7360 · Microsoft · Office Excel

Minjea Park · Publicado 2026-02-10 · Atualizado 2026-02-10 · CVE-2026-21258

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Média

Vetor base

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

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

Description Improper input validation in Microsoft Office Excel can allow an unauthorized attacker to disclose information locally. The issue allows attackers to obtain sensitive information and affect the system.

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

Out of bounds Read

RCE

Enumeração de Fraquezas

CWE-125

CWE-20

Identificadores relacionados

BDU:2026-01781

CVE-2026-21258

Produtos afetados

Office Excel

Referências · 5

• https://osv.dev/vulnerability/CVE-2026-21258 · Aviso do Fabricante
• https://bdu.fstec.ru/vul/2026-01781 · Nota de Segurança
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21258 · Aviso do Fabricante
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-21258 · Nota de Segurança
• https://nvd.nist.gov/vuln/detail/CVE-2026-21258 · Nota de Segurança