CVE-2026-108398: high-severity vulnerability in Microsoft .NET Framework 3.5 AND…
.NET Framework Security Feature Bypass Vulnerability
Published · Updated
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.5%
exploitation probability
0.5%top 61% of all CVEs
observed exploitation
nono source reports it
Untrusted search path in .NET Framework allows an authorized attacker to bypass a security feature locally.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2Microsoft · Microsoft .NET Framework 3.5 AND 4.8Microsoft · Microsoft .NET Framework 3.5 AND 4.8.1Microsoft · Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2Microsoft · Microsoft .NET Framework 4.8Microsoft · Microsoft .NET Framework 4.8.1Related CVEs — Microsoft .NET Framework 3.5 AND…
In the same product, most dangerous first.
CVE-2024-29059HIGH.NET Framework Information Disclosure VulnerabilityEPSS 98.6%KEVCVE-2023-36899HIGHASP.NET Elevation of Privilege VulnerabilityEPSS 76.7%CVE-2023-36049HIGH.NET, .NET Framework, and Visual Studio Elevation of Privilege VulnerabilityEPSS 12.5%CVE-2020-1108—.NET Core & .NET Framework Denial of Service VulnerabilityEPSS 6.5%CVE-2026-50649HIGH.NET Remote Code Execution VulnerabilityEPSS 4.0%CVE-2026-50646HIGH.NET Framework Remote Code Execution VulnerabilityEPSS 4.0%