PT-2026-7363 · Microsoft · Office Excel

Publicado 2026-02-10 · Atualizado 2026-02-10 · CVE-2026-21261

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 An out-of-bounds read issue exists in Microsoft Office Excel. This can allow an 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

Enumeração de Fraquezas

CWE-125

Identificadores relacionados

BDU:2026-01810

CVE-2026-21261

Produtos afetados

Office Excel

Referências · 5

• https://bdu.fstec.ru/vul/2026-01810 · Nota de Segurança
• https://nvd.nist.gov/vuln/detail/CVE-2026-21261 · Nota de Segurança
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21261 · Aviso do Fabricante
• https://osv.dev/vulnerability/CVE-2026-21261 · Aviso do Fabricante
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-21261 · Nota de Segurança