CVE-2025-27483

Name: CVE-2025-27483
Creator: NVD / NIST
Published: 2025-04-08T18:15:58.943+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.67%

Last modified Jun 17, 2026

CVE-2025-27483 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally.. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.67%

47.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Microsoft	Windows 10 1507	< 10.0.10240.20978
Microsoft	Windows 10 1607	< 10.0.14393.7969
Microsoft	Windows 10 1809	< 10.0.17763.7136
Microsoft	Windows Server 2012	r2
Microsoft	Windows Server 2016	< 10.0.14393.7969
Microsoft	Windows Server 2019	< 10.0.17763.7136

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27483Vendor Advisory

Timeline

Published: Apr 8, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-27483?

Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally.

How severe is CVE-2025-27483?

CVE-2025-27483 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2025-27483?

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-2025-27483?

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

Scan your code now

Source: NVD / NIST