---
id: "CVE-2026-123395"
page: "https://infrastack.ai/live/CVE-2026-123395"
kind: "vulnerability"
aliases: ["CVE-2026-123395"]
title: "Microsoft Excel: code injection lets a local user disclose information"
severity: "medium"
cvss: 5.9
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["excel", "microsoft-office", "other", "windows"]
not_affected_if: []
published_at: "2026-11-10T19:20:43+00:00"
first_seen_at: "2026-11-10T19:25:13+00:00"
updated_at: "2026-11-10T19:59:54+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-123395", "first_seen_at": "2026-11-10T19:25:13+00:00"}]
exploit_sources: []
---

# Microsoft Excel: code injection lets a local user disclose information

Link for people: https://infrastack.ai/live/CVE-2026-123395 (this .md is for agents)

A flaw in Microsoft Office Excel lets an authorized local user generate code in a way that discloses information. The sources describe information disclosure only, with no remote execution stated.

_Summary, check and fix written by a model from the sources; labelled as such._

## Timeline

- 2026-11-10T19:25:13+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-123395

## From the sources

Improper control of generation of code ('code injection') in Microsoft Office Excel allows an authorized attacker to disclose information locally.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_