---
id: "CVE-2026-119883"
page: "https://infrastack.ai/live/CVE-2026-119883"
kind: "vulnerability"
aliases: ["CVE-2026-119883"]
title: "Windows Data Deduplication: local authorized user can bypass a security feature"
severity: "low"
cvss: 3.3
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["data-deduplication", "infrastructure", "windows", "windows-server"]
not_affected_if: ["feature-not-enabled"]
published_at: "2026-11-10T19:20:07+00:00"
first_seen_at: "2026-11-10T19:25:01+00:00"
updated_at: "2026-11-10T20:04:36+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-119883", "first_seen_at": "2026-11-10T19:25:01+00:00"}]
exploit_sources: []
---

# Windows Data Deduplication: local authorized user can bypass a security feature

Link for people: https://infrastack.ai/live/CVE-2026-119883 (this .md is for agents)

Data Deduplication, a Windows Server storage feature, has an improper authorization flaw. A local user who already has an account can bypass a security feature on the machine.

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

## Timeline

- 2026-11-10T19:25:01+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-119883

## From the sources

Improper authorization in Data Deduplication allows an authorized attacker to bypass a security feature locally.

---

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