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Δ / VULNERABILITY RECORD

CVE-2025-55248.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 4.8No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Oct 14, 2025

Disclosure summary

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

Source-reported weakness categories

CWE-326

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

Microsoft Security Updates (CVRF) · 2025-Oct

Open original source · Updated Oct 14, 2025

.NET, .NET Framework, and Visual Studio Information Disclosure Vulnerability

Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.

Microsoft maximum product score: 4.8

VendorProduct / associationVersion / bounds
Microsoft update guideMicrosoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.8 on Windows Server 2016 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation) (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.8 on Windows Server 2012 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation) (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.8 on Windows Server 2012 R2 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation) (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation) (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 (Server Core installation) (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for 32-bit Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for ARM64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for x64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for x64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for ARM64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for 32-bit Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation) (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1607 for 32-bit Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1607 for x64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2016 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2016 (Server Core installation) (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation) (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation) (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022 (Server Core installation) (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for 32-bit Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for ARM64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for x64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2 for ARM64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2 for x64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for x64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for ARM64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for 32-bit Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2 for ARM64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2 for x64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, 23H2 Edition (Server Core installation) (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 24H2 for ARM64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 24H2 for x64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.6.2 on Windows Server 2008 for 32-bit Systems Service Pack 2 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.6.2 on Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.6.2 on Windows Server 2008 for x64-based Systems Service Pack 2 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 4.6.2 on Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 on Windows Server 2008 for 32-bit Systems Service Pack 2 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 on Windows Server 2008 for x64-based Systems Service Pack 2 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 on Windows Server 2012 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 on Windows Server 2012 R2 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 25H2 for ARM64-based Systems (MSRC status code 3)
Microsoft update guideMicrosoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 25H2 for x64-based Systems (MSRC status code 3)
Microsoft update guide.NET 8.0 installed on Linux (MSRC status code 3)
Microsoft update guide.NET 8.0 installed on Mac OS (MSRC status code 3)
Microsoft update guide.NET 9.0 installed on Linux (MSRC status code 3)
Microsoft update guide.NET 9.0 installed on Mac OS (MSRC status code 3)
Microsoft update guide.NET 9.0 installed on Windows (MSRC status code 3)
Microsoft update guide.NET 8.0 installed on Windows (MSRC status code 3)
Microsoft update guideMicrosoft Visual Studio 2022 version 17.12 (MSRC status code 3)
Microsoft update guideMicrosoft Visual Studio 2022 version 17.10 (MSRC status code 3)
Microsoft update guideMicrosoft Visual Studio 2022 version 17.14 (MSRC status code 3)

Vendor remediation references

  • 5066136 · build 4.8.04798.02 · product IDs 11650-10852, 11650-10853, 11650-10816, 11650-10855
  • Vendor guidance · product IDs 11650-10852, 11650-10853, 11650-10816, 11650-10855
  • 5066739 · build 4.8.04798.02 · product IDs 11650-10051, 11650-10049
  • Vendor guidance · product IDs 11650-10051, 11650-10049
  • 5066740 · build 4.8.04798.04 · product IDs 11650-10378, 11650-10379
  • Vendor guidance · product IDs 11650-10378, 11650-10379
  • 5066741 · build 4.8.04798.04 · product IDs 11650-10483, 11650-10543
  • Vendor guidance · product IDs 11650-10483, 11650-10543
  • 5066738 · build 4.8.04798.02 · product IDs 11676-11568, 11676-11569, 11676-11571, 11676-11572
  • Vendor guidance · product IDs 11676-11568, 11676-11569, 11676-11571, 11676-11572
  • 5066743 · build 4.8.04798.04 · product IDs 11676-11923, 11676-11924
  • Vendor guidance · product IDs 11676-11923, 11676-11924
  • 5066746 · build 4.8.04798.04 · product IDs 11676-11929, 11676-11930, 11676-11931
  • Vendor guidance · product IDs 11676-11929, 11676-11930, 11676-11931
  • 5066747 · build 4.8.04798.04 · product IDs 11676-12097, 11676-12098, 11676-12099
  • Vendor guidance · product IDs 11676-12097, 11676-12098, 11676-12099
  • 5066738 · build 4.7.04137.03 · product IDs 11677-11568, 11677-11569, 11677-11571, 11677-11572
  • Vendor guidance · product IDs 11677-11568, 11677-11569, 11677-11571, 11677-11572
  • 5066836 · build 10.0.14393.8519 · product IDs 11677-10852, 11677-10853, 11677-10816, 11677-10855
  • Vendor guidance · product IDs 11677-10852, 11677-10853, 11677-10816, 11677-10855
  • 5066742 · build 4.7.04137.03 · product IDs 11863-10051, 11863-10049, 12115-9312, 12115-10287, 12115-9318, 12115-9344
  • Vendor guidance · product IDs 11863-10051, 11863-10049, 12115-9312, 12115-10287, 12115-9318, 12115-9344
  • 5066740 · build 4.7.04137.06 · product IDs 11863-10378, 11863-10379
  • Vendor guidance · product IDs 11863-10378, 11863-10379
  • 5066741 · build 4.7.04137.03 · product IDs 11863-10483, 11863-10543
  • Vendor guidance · product IDs 11863-10483, 11863-10543
  • 5066743 · build 4.8.1.09320.02 · product IDs 12079-11923, 12079-11924
  • Vendor guidance · product IDs 12079-11923, 12079-11924
  • 5066746 · build 4.8.1.09320.02 · product IDs 12079-11929, 12079-11930, 12079-11931
  • Vendor guidance · product IDs 12079-11929, 12079-11930, 12079-11931
  • 5066133 · build 4.8.1.09321.01 · product IDs 12079-12085, 12079-12086, 12079-12242, 12079-12243
  • Vendor guidance · product IDs 12079-12085, 12079-12086, 12079-12242, 12079-12243
  • 5066747 · build 4.8.1.09320.02 · product IDs 12079-12097, 12079-12098, 12079-12099
  • Vendor guidance · product IDs 12079-12097, 12079-12098, 12079-12099
  • 5066129 · build 4.8.1.09321.01 · product IDs 12079-12244
  • Vendor guidance · product IDs 12079-12244
  • 5066131 · build 4.8.1.09321.01 · product IDs 12079-12389, 12079-12390
  • Vendor guidance · product IDs 12079-12389, 12079-12390
  • 5066742 · build 2.0.50727.8981 · product IDs 9292-9312, 9292-9318, 9195-9312, 9195-9318
  • Vendor guidance · product IDs 9292-9312, 9292-9318, 9195-9312, 9195-9318
  • 5066742 · build 2.0.50727.8981 · product IDs 2472-9312, 2472-9318
  • Vendor guidance · product IDs 2472-9312, 2472-9318
  • 5066740 · build 2.0.50727.8981 · product IDs 2472-10378, 2472-10379
  • Vendor guidance · product IDs 2472-10378, 2472-10379
  • 5066741 · build 2.0.50727.8981 · product IDs 2472-10483, 2472-10543
  • Vendor guidance · product IDs 2472-10483, 2472-10543
  • 5066739 · build 2.0.50727.8981 · product IDs 9495-10051, 9495-10049
  • Vendor guidance · product IDs 9495-10051, 9495-10049
  • 5066128 · build 4.8.1.09321.01 · product IDs 12079-20437
  • Vendor guidance · product IDs 12079-20437
  • 5066128 · build 4.8.1.09321.01 · product IDs 12079-20438
  • Vendor guidance · product IDs 12079-20438
  • 5068331 · build 8.0.21 · product IDs 12415, 12416, 12414
  • Vendor guidance · product IDs 12415, 12416, 12414
  • 5068332 · build 9.0.10 · product IDs 12432, 12433, 12434
  • Vendor guidance · product IDs 12432, 12433, 12434
  • Release Notes · build 17.12.13 · product IDs 12459
  • Vendor guidance · product IDs 12459
  • Release Notes · build 17.10.20 · product IDs 12322
  • Vendor guidance · product IDs 12322
  • Release Notes · build 17.14.17 · product IDs 16767
  • Vendor guidance · product IDs 16767

Original records & references

PUBLISHED 2025-10-14T03:00:00-04:00
MODIFIED 2025-10-14T03:00:00-04:00
INGESTED 2026-10-08T12:45:30-04:00