---
id: "CVE-2026-96023"
page: "https://infrastack.ai/live/CVE-2026-96023"
kind: "vulnerability"
aliases: ["CVE-2026-96023"]
title: "Windows: use-after-free in push notification core lets a local user gain privileges"
severity: "high"
cvss: 7.8
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: [{"name": "Windows Push Notification Core", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["infrastructure", "local-privilege-escalation", "windows"]
not_affected_if: ["patched-nov-2026"]
published_at: "2026-11-10T19:21:58+00:00"
first_seen_at: "2026-11-10T19:25:27+00:00"
updated_at: "2026-11-10T20:08:16+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-96023", "first_seen_at": "2026-11-10T19:25:27+00:00"}, {"source": "analyst", "url": "https://api.msrc.microsoft.com/cvrf/v3.0/updates/CVE-2026-96023", "first_seen_at": "2026-11-10T20:08:16+00:00", "cites": ["https://api.msrc.microsoft.com/cvrf/v3.0/updates/CVE-2026-96023"]}]
exploit_sources: []
---

# Windows: use-after-free in push notification core lets a local user gain privileges

Link for people: https://infrastack.ai/live/CVE-2026-96023 (this .md is for agents)

A use-after-free bug in the Windows Push Notification Core component lets an attacker who already has a local, authorized account raise their privileges. The sources give no further technical detail.

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

## Affected

- vendor:Windows Push Notification Core affected range not listed fixed no fixed version listed

## How to check

Check that the November 2026 (2026-11-10) cumulative update is installed: Settings > Windows Update > Update history. Per-build KB numbers still need the MSRC page.

## Fix

Install the November 2026 Windows cumulative update (released 2026-11-10); the exact KB per Windows version is unconfirmed

## Timeline

- 2026-11-10T19:25:27+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-96023
- 2026-11-10T20:08:16+00:00 analyst https://api.msrc.microsoft.com/cvrf/v3.0/updates/CVE-2026-96023 — MSRC API index puts this CVE in the November 2026 Patch Tuesday release (2026-11-10). The advisory page is JS-only and the CVRF document came back empty, so affected builds, KBs and the fix are not confirmed. Nothing verified. Do not confuse with CVE-2026-69280 (Windows Push Notifications EoP, Sep 2026).

## Documents

- [advisory] MSRC CVRF index: CVE-2026-96023 is in the November 2026 Security Updates https://api.msrc.microsoft.com/cvrf/v3.0/updates/CVE-2026-96023

## From the sources

Use after free in Windows Push Notification Core 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_