CVE-2026-26131: high-severity vulnerability in Microsoft .NET 10.0
.NET Elevation of Privilege Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 0.4%
Incorrect default permissions in .NET allows an authorized attacker to elevate privileges locally.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · .NET 10.0Related CVEs — Microsoft .NET 10.0
In the same product, most dangerous first.
CVE-2026-45591HIGHASP.NET Core Denial of Service VulnerabilityEPSS 2.5%CVE-2026-42899HIGHASP.NET Core Denial of Service VulnerabilityEPSS 2.4%CVE-2026-32178HIGH.NET Spoofing VulnerabilityEPSS 2.3%CVE-2026-33116HIGH.NET, .NET Framework, and Visual Studio Denial of Service VulnerabilityEPSS 2.1%CVE-2026-26127HIGH.NET Denial of Service VulnerabilityEPSS 2.1%CVE-2026-32203HIGH.NET and Visual Studio Denial of Service VulnerabilityEPSS 1.9%