CVE-2025-55247

Name: CVE-2025-55247
Creator: NVD / NIST
Published: 2025-10-14T17:15:44.623+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 0.56%

Last modified Jun 17, 2026

CVE-2025-55247 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.3/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.56%

42.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-59

Affected Software

Vendor	Product	Versions
Microsoft	.Net	>= 8.0.0, < 8.0.21
Microsoft	.Net	>= 9.0.0, < 9.0.10

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55247Vendor Advisory

Timeline

Published: Oct 14, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-55247?

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

How severe is CVE-2025-55247?

CVE-2025-55247 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2025-55247?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-55247?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST