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CVE PROGRAM SOURCE RECORD7.0 High

CVE-2026-85827

WebDAV Elevation of Privilege Vulnerability

Description

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

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