---
id: "CVE-2023-36033"
kind: "vulnerability"
aliases: ["CVE-2023-36033"]
title: "Windows DWM Core Library Elevation of Privilege Vulnerability"
severity: "high"
cvss: 7.8
epss: null
exploited: true
status: "open"
category: "infrastructure"
products: [{"name": "Microsoft Windows", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"name": "microsoft windows 10 1809", "fixed": ["10.0.17763.5122"], "affected": "< 10.0.17763.5122", "ecosystem": "vendor"}, {"name": "microsoft windows 10 21h2", "fixed": ["10.0.19041.3693"], "affected": "< 10.0.19041.3693", "ecosystem": "vendor"}, {"name": "microsoft windows 10 22h2", "fixed": ["10.0.19045.3693"], "affected": "< 10.0.19045.3693", "ecosystem": "vendor"}, {"name": "microsoft windows 11 21h2", "fixed": ["10.0.22000.2600"], "affected": "< 10.0.22000.2600", "ecosystem": "vendor"}, {"name": "microsoft windows 11 22h2", "fixed": ["10.0.22621.2715"], "affected": "< 10.0.22621.2715", "ecosystem": "vendor"}, {"name": "microsoft windows 11 23h2", "fixed": ["10.0.22621.2715"], "affected": "< 10.0.22621.2715", "ecosystem": "vendor"}, {"name": "microsoft windows server 2019", "fixed": ["10.0.17763.5122"], "affected": "< 10.0.17763.5122", "ecosystem": "vendor"}, {"name": "microsoft windows server 2022", "fixed": ["10.0.20348.2113"], "affected": "< 10.0.20348.2113", "ecosystem": "vendor"}, {"name": "microsoft windows server 2022 23h2", "fixed": ["10.0.25398.531"], "affected": "< 10.0.25398.531", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["exploited", "infrastructure", "self-hosted", "windows"]
not_affected_if: ["unpatched-builds-not-in-use"]
published_at: "2023-11-14T00:00:00+00:00"
first_seen_at: "2026-10-23T19:11:51+00:00"
updated_at: "2026-10-23T22:29:04+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-36033", "first_seen_at": "2026-10-23T19:11:51+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-36033", "first_seen_at": "2026-10-23T22:29:04+00:00"}]
---

# Windows DWM Core Library Elevation of Privilege Vulnerability

A flaw in the Windows Desktop Window Manager (DWM) Core Library lets a local user gain higher privileges on the machine. CISA lists it as actively exploited in the wild.

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

## Affected

- vendor:Microsoft Windows affected ? fixed ?
- vendor:microsoft windows 10 1809 affected < 10.0.17763.5122 fixed 10.0.17763.5122
- vendor:microsoft windows 10 21h2 affected < 10.0.19041.3693 fixed 10.0.19041.3693
- vendor:microsoft windows 10 22h2 affected < 10.0.19045.3693 fixed 10.0.19045.3693
- vendor:microsoft windows 11 21h2 affected < 10.0.22000.2600 fixed 10.0.22000.2600
- vendor:microsoft windows 11 22h2 affected < 10.0.22621.2715 fixed 10.0.22621.2715
- vendor:microsoft windows 11 23h2 affected < 10.0.22621.2715 fixed 10.0.22621.2715
- vendor:microsoft windows server 2019 affected < 10.0.17763.5122 fixed 10.0.17763.5122
- vendor:microsoft windows server 2022 affected < 10.0.20348.2113 fixed 10.0.20348.2113
- vendor:microsoft windows server 2022 23h2 affected < 10.0.25398.531 fixed 10.0.25398.531

## Fix

Apply the Microsoft security update for CVE-2023-36033 per vendor instructions; the sources do not name the KB or build.
If no mitigation is available, CISA says to discontinue use of the affected product.

## Timeline

- 2026-10-23T19:11:51+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-36033
- 2026-10-23T22:29:04+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2023-36033

## From the sources

Microsoft Windows Desktop Window Manager (DWM) Core Library contains an unspecified vulnerability that allows for privilege escalation.

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_