CVE-2025-55248HighMicrosoft CVSS 4.8CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Microsoft security update for CVE-2025-55248

Published
October 14, 2025
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2025-55248 →

📋 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-2025-55248. This page also shows what EchelonGraph holds for CVE-2025-55248, 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 products78

  • .NET 8.0 installed on Linux
  • .NET 8.0 installed on Mac OS
  • .NET 8.0 installed on Windows
  • .NET 9.0 installed on Linux
  • .NET 9.0 installed on Mac OS
  • .NET 9.0 installed on Windows
  • Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2
  • Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2
  • Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2
  • Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2
  • Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1607 for 32-bit Systems
  • Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1607 for x64-based Systems
  • Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems
  • Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems
  • Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2016
  • Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2016 (Server Core installation)
  • Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019
  • Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation)
  • Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems
  • Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems
  • Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for 32-bit Systems
  • Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for ARM64-based Systems
  • Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for x64-based Systems
  • Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for 32-bit Systems
  • Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for ARM64-based Systems
  • Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for x64-based Systems
  • Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019
  • Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation)
  • Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022
  • Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 (Server Core installation)
  • +48 more not shown

✅ Updates Microsoft lists: 23 KB articles and 5 other updates

29 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.

KB articleUpdateFixed build
KB5066136Security Update4.8.04798.02
KB5066141Monthly Rollup4.8.04798.02
KB5066138Monthly Rollup4.8.04798.04
KB5066140Monthly Rollup4.8.04798.04
KB5066137Security Update4.8.04798.02
KB5066139Security Update4.8.04798.04
KB5066135Security Update4.8.04798.04
KB5066143Security Update4.7.04137.03
KB5066836Security Update10.0.14393.8519
KB5066146Monthly Rollup4.7.04137.03
KB5066144Monthly Rollup4.7.04137.06
KB5066145Monthly Rollup4.7.04137.03
KB5066134Security Update4.8.1.09320.02
KB5066130Security Update4.8.1.09320.02
KB5066133Security Update4.8.1.09321.01
KB5066129Security Update4.8.1.09321.01
KB5066131Security Update4.8.1.09321.01
KB5066149Monthly Rollup2.0.50727.8981
KB5040673Monthly Rollup2.0.50727.8981
KB5066148Monthly Rollup2.0.50727.8981
KB5066151Monthly Rollup2.0.50727.8981
KB5066150Monthly Rollup2.0.50727.8981
KB5066128Security Update4.8.1.09321.01
KB5066128Monthly Rollup4.8.1.09321.01
—Security Update8.0.21
—Security Update9.0.10
—Security Update17.12.13
—Security Update17.10.20
—Security Update17.14.17

🧭 EchelonGraph on CVE-2025-55248

EchelonGraph score
5.7 MEDIUM
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

Inadequate encryption strength in .NET, .NET Framework, Visual Studio allows an authorized attacker to disclose information over a network.

Published by Microsoft Corporation, the CVE Numbering Authority that assigned CVE-2025-55248, 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 (46)