CVE-2026-96231

7.8High

Published 13 Oct 2026 · NVD status: Awaiting Analysis · AI triage by gemini-3.8-flash

7.8High

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None
Impact: Full C/I/A compromise
Weakness: CWE-59

Impact

A local attacker with an account can elevate their privileges to compromise the host. They do not need user interaction, only existing local access.

Root cause

The application insecurely resolves file links before accessing them, permitting symlink or hardlink following attacks.

Affected systems

Versions not listed — check the vendor advisory.

CVSS v3.1 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Fix & remediation

Review the Microsoft Security Response Center advisory for target patch versions and update the affected .NET runtimes; no interim mitigation is documented.

shell

$ dotnet --info

AI-suggested. Run it in staging first and check it against the vendor advisory. Why?

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NVD description

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96231

Source: nvd.nist.gov/vuln/detail/CVE-2026-96231