# CVE-2022-35748: HTTP.sys Denial of Service Vulnerability

CVE-2022-35748 is fixed in 11 products on 1 platform, first by KB5016622, released August 9, 2022. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2022-35748
- Priority: Urgent
- CVSS: 7.5 (Important)
- EPSS: 0.4723
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation More Likely
- Published: Aug 9, 2022
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-35748

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows Server 2012 |  | [KB5016672](https://patchblox.com/security/data/fix/microsoft/kb5016672.md) | Aug 9, 2022 |
| Microsoft | Windows Server 2012 |  | [KB5016684](https://patchblox.com/security/data/fix/microsoft/kb5016684.md) | Aug 9, 2022 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB5016672](https://patchblox.com/security/data/fix/microsoft/kb5016672.md) | Aug 9, 2022 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB5016684](https://patchblox.com/security/data/fix/microsoft/kb5016684.md) | Aug 9, 2022 |
| Microsoft | Windows Server 2012 R2 |  | [KB5016683](https://patchblox.com/security/data/fix/microsoft/kb5016683.md) | Aug 9, 2022 |
| Microsoft | Windows Server 2012 R2 |  | [KB5016681](https://patchblox.com/security/data/fix/microsoft/kb5016681.md) | Aug 9, 2022 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB5016683](https://patchblox.com/security/data/fix/microsoft/kb5016683.md) | Aug 9, 2022 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB5016681](https://patchblox.com/security/data/fix/microsoft/kb5016681.md) | Aug 9, 2022 |
| Microsoft | Windows Server 2016 | 14393.5291 | [KB5016622](https://patchblox.com/security/data/fix/microsoft/kb5016622.md) | Aug 9, 2022 |
| Microsoft | Windows Server 2016 (Server Core installation) | 14393.5291 | [KB5016622](https://patchblox.com/security/data/fix/microsoft/kb5016622.md) | Aug 9, 2022 |
| Microsoft | Windows Server 2019 | 17763.3287 | [KB5016623](https://patchblox.com/security/data/fix/microsoft/kb5016623.md) | Aug 9, 2022 |
| Microsoft | Windows Server 2019 (Server Core installation) | 17763.3287 | [KB5016623](https://patchblox.com/security/data/fix/microsoft/kb5016623.md) | Aug 9, 2022 |
| Microsoft | Windows Server 2022 | 20348.887 | [KB5016627](https://patchblox.com/security/data/fix/microsoft/kb5016627.md) | Aug 9, 2022 |
| Microsoft | Windows Server 2022 (Server Core installation) | 20348.887 | [KB5016627](https://patchblox.com/security/data/fix/microsoft/kb5016627.md) | Aug 9, 2022 |
| Microsoft | Windows Server, version 20H2 (Server Core Installation) |  | [KB5016616](https://patchblox.com/security/data/fix/microsoft/kb5016616.md) | Aug 9, 2022 |

---

Data as of 2026-11-08T06:59:42Z 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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.