CVE-2026-118722

HighCVSS 8.8/10Last modified Nov 10, 2026

Description

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-122

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Nov 10, 2026
Last modified
Nov 10, 2026
NVD status
Undergoing Analysis

Related CVEs from 2026

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CVE-2026-118722: High severity, CVSS 8.8 | Vulnix