What’s Vulnerable › Vulnerabilities
CVE-2025-55247: .NET Elevation of Privilege Vulnerability
- Severity: high (CVSS 7.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-10-14 · updated 2026-10-18
- Weakness: CWE-59
Description
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.
Affected products
- Microsoft .NET: from 8.0.0 before 8.0.21; from 9.0.0 before 9.0.10 — fixed in 8.0.21, 9.0.10
- Microsoft .NET 8.0: from 8.0.0 before 8.0.21 — fixed in 8.0.21
- Microsoft .NET 9.0: from 9.0.0 before 9.0.10 — fixed in 9.0.10
How to fix
Upgrade to a fixed version: Microsoft .NET 8.0.21, 9.0.10; Microsoft .NET 8.0 8.0.21; Microsoft .NET 9.0 9.0.10. Check the vendor advisory for mitigations.
References
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