Bug 2548792 (CVE-2026-70183) - CVE-2026-70183 dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevation of Privilege Vulnerability
Summary: CVE-2026-70183 dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevati...
Keywords:
Status: NEW
Alias: CVE-2026-70183
Deadline: 2026-10-13
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-09 19:29 UTC by Charles Timko
Modified: 2026-10-19 15:10 UTC (History)
3 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description Charles Timko 2026-10-09 19:29:01 UTC 
Concurrent execution using shared resource with improper synchronization ('race condition') in ASP.NET Core allows an authorized attacker to elevate privileges over a network.

Affected products:
- ASP.NET Core Runtime (release 11.0): 11.0.0-preview.1 - 11.0.0-rc.1; fixed 11.0.0-rc.2
- ASP.NET Core Runtime (release 10.0): 10.0.0 - 10.0.12; fixed 10.0.13
- ASP.NET Core Runtime (release 9.0): 9.0.0 - 9.0.20; fixed 9.0.21
- ASP.NET Core Runtime (release 8.0): 8.0.0 - 8.0.31; fixed 8.0.32
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