---
id: "CVE-2026-119988"
page: "https://infrastack.ai/live/CVE-2026-119988"
kind: "vulnerability"
aliases: ["CVE-2026-119988"]
title: "Windows SMB: numeric truncation lets an authorized user run code remotely"
severity: "high"
cvss: 7.1
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["file-sharing", "infrastructure", "smb", "windows"]
not_affected_if: []
published_at: "2026-11-10T19:20:23+00:00"
first_seen_at: "2026-11-10T19:25:06+00:00"
updated_at: "2026-11-10T19:47:56+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-119988", "first_seen_at": "2026-11-10T19:25:06+00:00"}]
exploit_sources: []
---

# Windows SMB: numeric truncation lets an authorized user run code remotely

Link for people: https://infrastack.ai/live/CVE-2026-119988 (this .md is for agents)

A numeric truncation error in the Windows SMB file-sharing service lets an attacker who already has valid access run code over the network. The sources give no further detail on the trigger or affected builds.

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

## Timeline

- 2026-11-10T19:25:06+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-119988

## From the sources

Numeric truncation error in Windows SMB allows an authorized 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_