---
id: "CVE-2026-110068"
page: "https://infrastack.ai/live/CVE-2026-110068"
kind: "vulnerability"
aliases: ["CVE-2026-110068"]
title: "Microsoft Outlook: use-after-free lets a network attacker run code"
severity: "high"
cvss: 8.8
epss: null
exploited: false
status: "open"
category: "package"
products: [{"name": "Microsoft Office Outlook", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["microsoft-office", "outlook", "package", "windows"]
not_affected_if: []
published_at: "2026-11-10T19:18:25+00:00"
first_seen_at: "2026-11-10T19:24:28+00:00"
updated_at: "2026-11-10T19:32:26+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-110068", "first_seen_at": "2026-11-10T19:24:28+00:00"}]
exploit_sources: []
---

# Microsoft Outlook: use-after-free lets a network attacker run code

Link for people: https://infrastack.ai/live/CVE-2026-110068 (this .md is for agents)

A use-after-free bug in Microsoft Office Outlook lets an unauthorized attacker run code over a network. The sources give a CVSS score of 8.8 and do not describe the trigger in more detail.

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

## Affected

- vendor:Microsoft Office Outlook affected range not listed fixed no fixed version listed

## How to check

- Check the installed Outlook build in File > Account > About Outlook, and compare it with the fixed build in Microsoft's advisory.

## Timeline

- 2026-11-10T19:24:28+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-110068

## From the sources

Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

---

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