Use After Free Affecting microsoft.netcore.app.runtime.win-x86 package, versions [8.0.0,8.0.30)[9.0.0,9.0.19)[10.0.0,10.0.11)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
1.11% (64th percentile)

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  • Snyk IDSNYK-DOTNET-MICROSOFTNETCOREAPPRUNTIMEWINX86-19659827
  • published10 Sept 2026
  • disclosed11 Aug 2026
  • creditUnknown

Introduced: 11 Aug 2026

CVE-2026-62898  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Microsoft.NETCore.App.Runtime.win-x86 to version 8.0.30, 9.0.19, 10.0.11 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free via the Microsoft QUIC process. An attacker can access sensitive information by sending specially crafted network requests.

CVSS Base Scores

version 4.0
version 3.1