CVE-2026-26131
HIGHCVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
3Description
Incorrect default permissions in .NET allows an authorized attacker to elevate privileges locally.
Analysis
Incorrect default permissions in .NET allows an authorized attacker to elevate privileges locally. [CVSS 7.8 HIGH]
Sign in for full analysis, threat intelligence, and remediation guidance.
Remediation
Within 24 hours: Inventory all .NET deployments and identify systems running affected versions; restrict administrative access and review privileged account activities for suspicious behavior. Within 7 days: Implement enhanced monitoring of privilege escalation attempts and enforce principle of least privilege across .NET applications and services. …
Sign in for detailed remediation steps.
Priority Score
Vendor Status
Share
External POC / Exploit Code
Leaving vuln.today
GHSA-crjq-wm6x-6qx7