What is CVE-2025-55247?

CVE-2025-55247 is a high-severity vulnerability in Linux Kernel, classified under Improper Link Resolution Before File Access. CVSS score: 7.3/10. Published 2025-10-14.

How severe is CVE-2025-55247?

High severity. CVSS v3 base score is 7.3 out of 10.

Vulnerability in Linux Kernel

CVE-2025-55247

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

Published 2025-10-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (47.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55247 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-55247?: CVE-2025-55247 is a high-severity vulnerability in Linux Kernel, classified under Improper Link Resolution Before File Access. CVSS score: 7.3/10. Published 2025-10-14.
How severe is CVE-2025-55247?: High severity. CVSS v3 base score is 7.3 out of 10.