Nov 2026: ASP.NET Core Security Feature Bypass Vulnerability
CVE-2026-114157 Published on November 10, 2026
ASP.NET Core Security Feature Bypass Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in ASP.NET Core allows an authorized attacker to elevate privileges locally.
Vulnerability Analysis
Weakness Type
What is a Race Condition Vulnerability?
The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.
CVE-2026-114157 has been classified to as a Race Condition vulnerability or weakness.
Products Associated with CVE-2026-114157
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Affected Versions
Microsoft .NET 10.0 installed on Windows:- Version 10.0.0 and below 10.0.15 is affected.
- Version 11.0.0-preview.1 and below 11.0.0 is affected.
- Version 8.0.0 and below 8.0.34 is affected.
- Version 9.0.0 and below 9.0.23 is affected.
- Version 17.14.0 and below 17.14.45 is affected.
- Version 18.11.0 and below 18.11.4 is affected.
- Version 18.12.0 and below 18.12.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.