# CVE-2023-21753: Event Tracing for Windows Information Disclosure Vulnerability

CVE-2023-21753 is fixed in 5 products on 1 platform, first by KB5022286, released January 10, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-21753
- Priority: Routine
- CVSS: 5.5 (Important)
- EPSS: 0.0069
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Jan 10, 2023
- Weakness: Use of Uninitialized Resource
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21753

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1809 for 32-bit Systems | 17763.3887 | [KB5022286](https://patchblox.com/security/data/fix/microsoft/kb5022286.md) | Jan 10, 2023 |
| Microsoft | Windows 10 Version 1809 for ARM64-based Systems | 17763.3887 | [KB5022286](https://patchblox.com/security/data/fix/microsoft/kb5022286.md) | Jan 10, 2023 |
| Microsoft | Windows 10 Version 1809 for x64-based Systems | 17763.3887 | [KB5022286](https://patchblox.com/security/data/fix/microsoft/kb5022286.md) | Jan 10, 2023 |
| Microsoft | Windows Server 2019 | 17763.3887 | [KB5022286](https://patchblox.com/security/data/fix/microsoft/kb5022286.md) | Jan 10, 2023 |
| Microsoft | Windows Server 2019 (Server Core installation) | 17763.3887 | [KB5022286](https://patchblox.com/security/data/fix/microsoft/kb5022286.md) | Jan 10, 2023 |

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Data as of 2026-11-08T19:12:23Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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