PT-2026-24318 · Microsoft · Office Excel

Jq0904 + 1 · Publicado 2026-03-10 · Atualizado 2026-04-07 · CVE-2026-26108

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 A heap-based buffer overflow exists in Microsoft Office Excel. This issue allows an unauthorized attacker to execute code locally. Exploitation may allow an attacker to execute arbitrary code and affect the system.

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

RCE

Memory Corruption

Heap Based Buffer Overflow

Enumeração de Fraquezas

CWE-787

CWE-122

Identificadores relacionados

BDU:2026-03045

CVE-2026-26108

Produtos afetados

Office Excel

Referências · 9

• https://twitter.com/CVEnew/status/2033361119373353428 · Publicação no Twitter
• https://twitter.com/RedHornet_Intel/status/2041627022011625667 · Publicação no Twitter
• https://osv.dev/vulnerability/CVE-2026-26108 · Aviso do Fabricante
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-26108 · Nota de Segurança
• https://nvd.nist.gov/vuln/detail/CVE-2026-26108 · Nota de Segurança
• https://t.me/avleonovcom/1637 · Publicação no Telegram
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26108 · Aviso do Fabricante
• https://bdu.fstec.ru/vul/2026-03045 · Nota de Segurança
• https://safe-surf.ru/specialists/bulletins-nkcki/729784 · Nota de Segurança