Microsoft security update for CVE-2026-50369 — Windows
🔗 CVE IDs covered (1)
📋 Microsoft's advisory
EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50369. This page also shows what EchelonGraph holds for CVE-2026-50369, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.
🎯 Affected products27
- Windows 10 Version 1607 for 32-bit Systems
- Windows 10 Version 1607 for x64-based Systems
- Windows 10 Version 1809 for 32-bit Systems
- Windows 10 Version 1809 for x64-based Systems
- Windows 10 Version 21H2 for 32-bit Systems
- Windows 10 Version 21H2 for ARM64-based Systems
- Windows 10 Version 21H2 for x64-based Systems
- Windows 10 Version 22H2 for 32-bit Systems
- Windows 10 Version 22H2 for ARM64-based Systems
- Windows 10 Version 22H2 for x64-based Systems
- Windows 11 Version 24H2 for ARM64-based Systems
- Windows 11 Version 24H2 for x64-based Systems
- Windows 11 Version 25H2 for ARM64-based Systems
- Windows 11 Version 25H2 for x64-based Systems
- Windows 11 Version 26H1 for ARM64-based Systems
- Windows 11 version 26H1 for x64-based Systems
- Windows Server 2012
- Windows Server 2012 (Server Core installation)
- Windows Server 2012 R2
- Windows Server 2012 R2 (Server Core installation)
- Windows Server 2016
- Windows Server 2016 (Server Core installation)
- Windows Server 2019
- Windows Server 2019 (Server Core installation)
- Windows Server 2022
- Windows Server 2025
- Windows Server 2025 (Server Core installation)
✅ Updates Microsoft lists: 9 KB articles
11 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.
| KB article | Update | Fixed build |
|---|---|---|
| KB5099538 | Security Update | 10.0.17763.9020 |
| KB5099540 | Security Update | 10.0.20348.5386 |
| KB5099539 | Security Update | 10.0.19044.7548 |
| KB5099539 | Security Update | 10.0.19045.7548 |
| KB5099536 | Security Update | 10.0.26100.33158 |
| KB5101650 | Security Update | 10.0.26200.8875 |
| KB5101650 | Security Update | 10.0.26100.8875 |
| KB5101649 | Security Update | 10.0.28000.2525 |
| KB5099535 | Security Update | 10.0.14393.9339 |
| KB5099445 | Monthly Rollup | 6.2.9200.26226 |
| KB5099444 | Monthly Rollup | 6.3.9600.23291 |
🧭 EchelonGraph on CVE-2026-50369
- EchelonGraph score
- 8.8 HIGH
- CISA KEV
- Not listed
- Fix status
- A fix is available — apply it.
Description from the CVE record (CVE.org), as published by its numbering authority
Use after free in Windows Remote Desktop Services allows an authorized attacker to elevate privileges over a network.
Published by Microsoft Corporation, the CVE Numbering Authority that assigned CVE-2026-50369, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).
🔗 References (19)
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50369
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5099538
- referencehttps://support.microsoft.com/help/5099538
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5099540
- referencehttps://support.microsoft.com/help/5099540
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5099539
- referencehttps://support.microsoft.com/help/5099539
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5099536
- referencehttps://support.microsoft.com/help/5099536
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5101650
- referencehttps://support.microsoft.com/help/5101650
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5101649
- referencehttps://support.microsoft.com/help/5101649
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5099535
- referencehttps://support.microsoft.com/help/5099535
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5099445
- referencehttps://support.microsoft.com/help/5099445
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5099444
- referencehttps://support.microsoft.com/help/5099444