A denial of service vulnerability exists when Microsoft SQL Server Management Studio (SSMS) improperly handles files. An attacker could exploit the vulnerability to trigger a denial of service.
To exploit the vulnerability, an attacker would first require execution on the victim system.
The security update addresses the vulnerability by ensuring Microsoft SQL Server Management Studio properly handles files.
## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Windows apps | Microsoft SQL Server Management Studio | 18.6 | [Microsoft SQL Server Management Studio 18.6](https://patchblox.com/security/data/fix/windows-app/microsoft.sqlservermanagementstudio-18.6.md) | Jul 22, 2020 | --- Data as of 2026-11-08T00:53:09Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo Free to use with attribution: show "Data: Patchblox Patch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.