# CVE-2023-32011: Windows iSCSI Discovery Service Denial of Service Vulnerability

CVE-2023-32011 is fixed in 33 products on 1 platform, first by KB5027219, released June 13, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-32011
- Priority: High
- CVSS: 7.5 (Important)
- EPSS: 0.0194
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Jun 13, 2023
- Weakness: Out-of-bounds Read
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-32011

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.5989 | [KB5027219](https://patchblox.com/security/data/fix/microsoft/kb5027219.md) | Jun 13, 2023 |
| Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.5989 | [KB5027219](https://patchblox.com/security/data/fix/microsoft/kb5027219.md) | Jun 13, 2023 |
| Microsoft | Windows 10 Version 1809 for 32-bit Systems | 17763.4499 | [KB5027222](https://patchblox.com/security/data/fix/microsoft/kb5027222.md) | Jun 13, 2023 |
| Microsoft | Windows 10 Version 1809 for ARM64-based Systems | 17763.4499 | [KB5027222](https://patchblox.com/security/data/fix/microsoft/kb5027222.md) | Jun 13, 2023 |
| Microsoft | Windows 10 Version 1809 for x64-based Systems | 17763.4499 | [KB5027222](https://patchblox.com/security/data/fix/microsoft/kb5027222.md) | Jun 13, 2023 |
| Microsoft | Windows 10 Version 21H2 for 32-bit Systems |  | [KB5027215](https://patchblox.com/security/data/fix/microsoft/kb5027215.md) | Jun 13, 2023 |
| Microsoft | Windows 10 Version 21H2 for ARM64-based Systems |  | [KB5027215](https://patchblox.com/security/data/fix/microsoft/kb5027215.md) | Jun 13, 2023 |
| Microsoft | Windows 10 Version 21H2 for x64-based Systems |  | [KB5027215](https://patchblox.com/security/data/fix/microsoft/kb5027215.md) | Jun 13, 2023 |
| Microsoft | Windows 10 Version 22H2 for 32-bit Systems |  | [KB5027215](https://patchblox.com/security/data/fix/microsoft/kb5027215.md) | Jun 13, 2023 |
| Microsoft | Windows 10 Version 22H2 for ARM64-based Systems |  | [KB5027215](https://patchblox.com/security/data/fix/microsoft/kb5027215.md) | Jun 13, 2023 |
| Microsoft | Windows 10 Version 22H2 for x64-based Systems |  | [KB5027215](https://patchblox.com/security/data/fix/microsoft/kb5027215.md) | Jun 13, 2023 |
| Microsoft | Windows 10 for 32-bit Systems | 10240.19983 | [KB5027230](https://patchblox.com/security/data/fix/microsoft/kb5027230.md) | Jun 13, 2023 |
| Microsoft | Windows 10 for x64-based Systems | 10240.19983 | [KB5027230](https://patchblox.com/security/data/fix/microsoft/kb5027230.md) | Jun 13, 2023 |
| Microsoft | Windows 11 Version 22H2 for ARM64-based Systems | 22621.1848 | [KB5027231](https://patchblox.com/security/data/fix/microsoft/kb5027231.md) | Jun 13, 2023 |
| Microsoft | Windows 11 Version 22H2 for x64-based Systems | 22621.1848 | [KB5027231](https://patchblox.com/security/data/fix/microsoft/kb5027231.md) | Jun 13, 2023 |
| Microsoft | Windows 11 version 21H2 for ARM64-based Systems | 22000.2057 | [KB5027223](https://patchblox.com/security/data/fix/microsoft/kb5027223.md) | Jun 13, 2023 |
| Microsoft | Windows 11 version 21H2 for x64-based Systems | 22000.2057 | [KB5027223](https://patchblox.com/security/data/fix/microsoft/kb5027223.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB5027275](https://patchblox.com/security/data/fix/microsoft/kb5027275.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB5027256](https://patchblox.com/security/data/fix/microsoft/kb5027256.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB5027275](https://patchblox.com/security/data/fix/microsoft/kb5027275.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB5027256](https://patchblox.com/security/data/fix/microsoft/kb5027256.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 |  | [KB5027279](https://patchblox.com/security/data/fix/microsoft/kb5027279.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 |  | [KB5027277](https://patchblox.com/security/data/fix/microsoft/kb5027277.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) |  | [KB5027279](https://patchblox.com/security/data/fix/microsoft/kb5027279.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) |  | [KB5027277](https://patchblox.com/security/data/fix/microsoft/kb5027277.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 |  | [KB5027279](https://patchblox.com/security/data/fix/microsoft/kb5027279.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 |  | [KB5027277](https://patchblox.com/security/data/fix/microsoft/kb5027277.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) |  | [KB5027279](https://patchblox.com/security/data/fix/microsoft/kb5027279.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) |  | [KB5027277](https://patchblox.com/security/data/fix/microsoft/kb5027277.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2012 |  | [KB5027281](https://patchblox.com/security/data/fix/microsoft/kb5027281.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2012 |  | [KB5027283](https://patchblox.com/security/data/fix/microsoft/kb5027283.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB5027281](https://patchblox.com/security/data/fix/microsoft/kb5027281.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB5027283](https://patchblox.com/security/data/fix/microsoft/kb5027283.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2012 R2 |  | [KB5027271](https://patchblox.com/security/data/fix/microsoft/kb5027271.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2012 R2 |  | [KB5027282](https://patchblox.com/security/data/fix/microsoft/kb5027282.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB5027271](https://patchblox.com/security/data/fix/microsoft/kb5027271.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB5027282](https://patchblox.com/security/data/fix/microsoft/kb5027282.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2016 | 14393.5989 | [KB5027219](https://patchblox.com/security/data/fix/microsoft/kb5027219.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2016 (Server Core installation) | 14393.5989 | [KB5027219](https://patchblox.com/security/data/fix/microsoft/kb5027219.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2019 | 17763.4499 | [KB5027222](https://patchblox.com/security/data/fix/microsoft/kb5027222.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2019 (Server Core installation) | 17763.4499 | [KB5027222](https://patchblox.com/security/data/fix/microsoft/kb5027222.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2022 |  | [KB5027319](https://patchblox.com/security/data/fix/microsoft/kb5027319.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2022 | 20348.1787 | [KB5027225](https://patchblox.com/security/data/fix/microsoft/kb5027225.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2022 (Server Core installation) |  | [KB5027319](https://patchblox.com/security/data/fix/microsoft/kb5027319.md) | Jun 13, 2023 |
| Microsoft | Windows Server 2022 (Server Core installation) | 20348.1787 | [KB5027225](https://patchblox.com/security/data/fix/microsoft/kb5027225.md) | Jun 13, 2023 |

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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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