# KB5023787: June 2021 security update

KB5023787, released June 8, 2021, fixes 1 CVE across 2 products. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb5023787
- Platform: Microsoft
- Released: Jun 8, 2021
- Priority: Routine (Closes CVE-2021-26414)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5023787

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Windows 10 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-for-32-bit-systems.md) |  |  |
| [Windows 10 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-for-x64-based-systems.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-26414](https://patchblox.com/security/data/cve/CVE-2021-26414.md) | Routine | Windows DCOM Server | 4.8 | 0.4984 |  |

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Data as of 2026-11-07T18:46:35Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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