---
id: "CVE-2026-112791"
page: "https://infrastack.ai/live/CVE-2026-112791"
kind: "vulnerability"
aliases: ["CVE-2026-112791"]
title: "Windows Print Spooler: race condition lets a local user gain higher privileges"
severity: "high"
cvss: 7.0
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: [{"name": "Windows Print Spooler", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["infrastructure", "local-privilege-escalation", "print-spooler", "windows"]
not_affected_if: ["no-local-users", "spooler-disabled"]
published_at: "2026-11-10T19:18:40+00:00"
first_seen_at: "2026-11-10T19:24:33+00:00"
updated_at: "2026-11-11T00:07:18+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-112791", "first_seen_at": "2026-11-10T19:24:33+00:00"}, {"source": "analyst", "url": "https://www.nmmapper.com/nvd/cve/CVE-2026-112791/", "first_seen_at": "2026-11-11T00:07:18+00:00", "cites": ["https://www.nmmapper.com/nvd/cve/CVE-2026-112791/"]}]
exploit_sources: []
---

# Windows Print Spooler: race condition lets a local user gain higher privileges

Link for people: https://infrastack.ai/live/CVE-2026-112791 (this .md is for agents)

A race condition (time-of-check time-of-use) in the Windows Print Spooler components lets an attacker who already has a local account raise their privileges. The sources give no further detail on the exploit path.

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

## Affected

- vendor:Windows Print Spooler affected range not listed fixed no fixed version listed

## How to check

Check build with winver, then look up CVE-2026-112791 in the Microsoft Security Update Guide to find the KB for your Windows version and confirm it is installed (Get-HotFix). Spooler running: Get-Service Spooler. Hosts with Spooler disabled are likely not exposed, but the vendor page for this CVE was not readable to confirm.

## Fix

unknown: install the latest Windows cumulative update once the MSRC entry confirms the KB for your version

## Timeline

- 2026-11-10T19:24:33+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-112791
- 2026-11-11T00:07:18+00:00 analyst https://www.nmmapper.com/nvd/cve/CVE-2026-112791/ — Could not read MSRC advisory (page empty) or NVD (no content); only a mirror confirms description and CVSS 7.0 (AV:L/AC:H/PR:L). Affected builds and KB unknown; likely in Nov 2026 Patch Tuesday but not confirmed for this CVE. Nothing verified. Settle by opening the MSRC Security Update Guide entry.

## Documents

- [describes] CVE-2026-112791 (NVD mirror, nmmapper) https://www.nmmapper.com/nvd/cve/CVE-2026-112791/

## From the sources

Time-of-check time-of-use (toctou) race condition in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.

---

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