CVE-2026-70183: high-severity vulnerability in Microsoft ASP.NET Core 10.0
ASP.NET Core Elevation of Privilege Vulnerability
Published · Updated
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.5%
exploitation probability
0.5%top 62% of all CVEs
observed exploitation
nono source reports it
Concurrent execution using shared resource with improper synchronization ('race condition') in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · ASP.NET Core 10.0Microsoft · ASP.NET Core 11.0Microsoft · ASP.NET Core 8.0Microsoft · ASP.NET Core 9.0Microsoft · Microsoft Visual Studio 2022 version 17.14Microsoft · Microsoft Visual Studio 2026 version 18.10Related CVEs — Microsoft ASP.NET Core 10.0
In the same product, most dangerous first.
CVE-2025-55315CRITICALASP.NET Security Feature Bypass VulnerabilityEPSS 65.9%CVE-2023-36038HIGHASP.NET Core Denial of Service VulnerabilityEPSS 2.8%CVE-2026-26130HIGHASP.NET Core Denial of Service VulnerabilityEPSS 2.5%CVE-2026-45591HIGHASP.NET Core Denial of Service VulnerabilityEPSS 2.4%CVE-2024-21386HIGH.NET Denial of Service VulnerabilityEPSS 2.4%CVE-2025-26682HIGHASP.NET Core and Visual Studio Denial of Service VulnerabilityEPSS 1.7%