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CVE PROGRAM SOURCE RECORD8.8 High

CVE-2026-102203

RPC Runtime Remote Code Execution Vulnerability

Description

Access of resource using incompatible type ('type confusion') in RPC Runtime allows an unauthorized attacker to execute code over a network.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Microsoft Windows 10 Version 1607

  • 10.0.14393.0 to < 10.0.14393.9612affected

Microsoft Windows 10 Version 1809

  • 10.0.17763.0 to < 10.0.17763.9376affected

Microsoft Windows 10 Version 21H2

  • 10.0.19044.0 to < 10.0.19044.7807affected

Microsoft Windows 10 Version 22H2

  • 10.0.19045.0 to < 10.0.19045.7807affected

Microsoft Windows 11 version 23H2

  • 10.0.22631.0 to < 10.0.22631.7652affected

Microsoft Windows 11 Version 23H2

  • 10.0.22631.0 to < 10.0.22631.7652affected

Microsoft Windows 11 Version 24H2

  • 10.0.26100.0 to < 10.0.26100.9711affected

Microsoft Windows 11 Version 25H2

  • 10.0.26200.0 to < 10.0.26200.9711affected

Microsoft Windows 11 version 26H1

  • 10.0.28000.0 to < 10.0.28000.3231affected

Microsoft Windows 11 Version 26H2

  • 10.0.26300.0 to < 10.0.26300.9711affected

Microsoft Windows Server 2012

  • 6.2.9200.0 to < 6.2.9200.26434affected

Microsoft Windows Server 2012 (Server Core installation)

  • 6.2.9200.0 to < 6.2.9200.26434affected

Microsoft Windows Server 2012 R2

  • 6.3.9600.0 to < 6.3.9600.23470affected

Microsoft Windows Server 2012 R2 (Server Core installation)

  • 6.3.9600.0 to < 6.3.9600.23470affected

Microsoft Windows Server 2016

  • 10.0.14393.0 to < 10.0.14393.9612affected

Microsoft Windows Server 2016 (Server Core installation)

  • 10.0.14393.0 to < 10.0.14393.9612affected

Microsoft Windows Server 2019

  • 10.0.17763.0 to < 10.0.17763.9376affected

Microsoft Windows Server 2019 (Server Core installation)

  • 10.0.17763.0 to < 10.0.17763.9376affected

Microsoft Windows Server 2022

  • 10.0.20348.0 to < 10.0.20348.5761affected

Microsoft Windows Server 2025

  • 10.0.26100.0 to < 10.0.26100.33650affected

Microsoft Windows Server 2025 (Server Core installation)

  • 10.0.26100.0 to < 10.0.26100.33650affected

References