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Multiple Microsoft Products Vulnerabilities

Severity

High

Analysis Summary

CVE-2025-59236 CVSS:8.4

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2025-59227 CVSS:7.8

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2025-59234 CVSS:7.8

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2025-55247 CVSS:7.3

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

CVE-2025-55248 CVSS:4.8

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

CVE-2025-58724 CVSS:7.8

Improper access control in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally.

CVE-2025-55315 CVSS:9.9

Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an authorized attacker to bypass a security feature over a network.

CVE-2025-47989 CVSS:7

Improper access control in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally.

CVE-2025-55697 CVSS:7.8

Heap-based buffer overflow in Azure Local allows an authorized attacker to elevate privileges locally.

Impact

  • Code Execution
  • Security Bypass
  • Privilege Escalation
  • Information Disclosure

Indicators of Compromise

CVE

  • CVE-2025-59236
  • CVE-2025-59277
  • CVE-2025-59234
  • CVE-2025-55247
  • CVE-2025-55248
  • CVE-2025-58724
  • CVE-2025-55315
  • CVE-2025-47989
  • CVE-2025-55697

Affected Vendors

  • Microsoft

Affected Products

  • Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2
  • Microsoft .NET Framework 3.5
  • Microsoft .NET Framework 3.5.1
  • Microsoft .NET Framework 4.8
  • Microsoft Office Online Server
  • Microsoft Office LTSC for Mac 2021
  • Microsoft Office for Android
  • Microsoft ASP.NET Core 8.0
  • Microsoft Microsoft 365 Apps for Enterprise for 64-bit Systems
  • Microsoft 365 Apps for Enterprise for 32-bit Systems
  • Microsoft Office 2019 for 32-bit editions
  • Microsoft Office 2019 for 64-bit editions
  • Microsoft Office LTSC 2021 for 32-bit editions
  • Microsoft Office LTSC 2021 for 64-bit editions
  • Microsoft Visual Studio 2022 version 17.10
  • Microsoft Windows Server 2025
  • Microsoft Office LTSC 2024 for 64-bit editions
  • Microsoft Office LTSC 2024 for 32-bit editions
  • Microsoft visual studio 2022 version 17.12
  • Microsoft Office LTSC for Mac 2024
  • Microsoft Visual Studio 2022 version 17.14
  • Microsoft .NET Framework 3.0 Service Pack 2
  • Microsoft .NET Framework 2.0 Service Pack 2
  • Microsoft .NET Framework 3.5 AND 4.8.1
  • Microsoft .NET Framework 4.6.2
  • Microsoft .NET Framework 3.5 AND 4.7.2
  • Microsoft .NET Framework 3.5 AND 4.8
  • Microsoft .NET 8.0 installed on Windows
  • Microsoft .NET 9.0 installed on Windows
  • Microsoft .NET 9.0 installed on Mac OS
  • Microsoft .NET 9.0 installed on Linux
  • Microsoft .NET 8.0 installed on Mac OS
  • Microsoft .NET 8.0 installed on Linux
  • Microsoft Arc Enabled Servers - Azure Connected Machine Agent
  • Microsoft ASP.NET Core 2.3
  • Microsoft ASP.NET Core 9.0

Remediation

Use Microsoft Automatic Update to apply the appropriate patch for your system, or the Microsoft Security Update Guide to search for available patches.

CVE-2025-59236

CVE-2025-59277

CVE-2025-59234

CVE-2025-55247

CVE-2025-55248

CVE-2025-58724

CVE-2025-55315

CVE-2025-47989

CVE-2025-55697