Integer Overflow or Wraparound Affecting microsoft.windowsdesktop.app.runtime.win-x86 package, versions [8.0.0,8.0.32)[9.0.0,9.0.21)[10.0.0,10.0.13)[11.0.0-preview.1,11.0.0-rc.2)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.86% (59th percentile)

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  • Snyk IDSNYK-DOTNET-MICROSOFTWINDOWSDESKTOPAPPRUNTIMEWINX86-21717152
  • published26 Oct 2026
  • disclosed13 Oct 2026
  • creditUnknown

Introduced: 13 Oct 2026

NewCVE-2026-85363  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Microsoft.WindowsDesktop.App.Runtime.win-x86 to version 8.0.32, 9.0.21, 10.0.13, 11.0.0-rc.2 or higher.

Overview

Affected versions of this package are vulnerable to Integer Overflow or Wraparound via the CD3DGlyphBank::RectFillAlpha function. An attacker can cause an out-of-bounds write and terminate the process by supplying specially crafted XPS glyph coordinates.

CVSS Base Scores

version 4.0
version 3.1