---
id: "CVE-2026-96052"
page: "https://infrastack.ai/live/CVE-2026-96052"
kind: "vulnerability"
aliases: ["CVE-2026-96052"]
title: "Windows Kernel: integer underflow lets a local user gain higher privileges"
severity: "high"
cvss: 7.8
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["infrastructure", "local-privilege-escalation", "windows", "windows-server"]
not_affected_if: ["no-local-accounts"]
published_at: "2026-11-10T19:22:02+00:00"
first_seen_at: "2026-11-10T19:25:28+00:00"
updated_at: "2026-11-10T20:00:18+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-96052", "first_seen_at": "2026-11-10T19:25:28+00:00"}, {"source": "analyst", "url": null, "first_seen_at": "2026-11-10T20:00:18+00:00"}]
exploit_sources: []
---

# Windows Kernel: integer underflow lets a local user gain higher privileges

Link for people: https://infrastack.ai/live/CVE-2026-96052 (this .md is for agents)

An integer underflow in the Windows kernel lets a user who already has an account on the machine raise their privileges. The attacker gets the rights of a more powerful account, which can mean full control of the system.

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

## How to check

- Check the Windows build with `winver` and compare it against the fixed build in Microsoft's advisory for CVE-2026-96052
- Confirm the latest cumulative security update is installed with `wmic qfe list` or Settings > Windows Update > Update history

## Timeline

- 2026-11-10T19:25:28+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-96052
- 2026-11-10T20:00:18+00:00 analyst — MSRC, NVD and cve.org pages returned no readable content; no affected builds or KB found. Nothing verified. Revisit once the MSRC entry is indexed. Published on Nov 2026 Patch Tuesday day.

## From the sources

Integer underflow (wrap or wraparound) in Windows Kernel 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_