CVE-2025-27475

Name: CVE-2025-27475
Creator: NVD / NIST
Published: 2025-04-08T18:15:57.62+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2025-27475 is a high-severity vulnerability rated 7/10 on the CVSS scale. Sensitive data storage in improperly locked memory in Windows Update Stack allows an authorized attacker to elevate privileges locally.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

Sensitive data storage in improperly locked memory in Windows Update Stack allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1

7/10

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

EPSS Probability

0.32%

23.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-591

Affected Software

Vendor	Product	Versions
Microsoft	Windows 11 22h2	< 10.0.22621.5189
Microsoft	Windows 11 23h2	< 10.0.22631.5189
Microsoft	Windows 11 24h2	< 10.0.26100.3775

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27475Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2025-27475?

Sensitive data storage in improperly locked memory in Windows Update Stack allows an authorized attacker to elevate privileges locally.

How severe is CVE-2025-27475?

CVE-2025-27475 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2025-27475?

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-2025-27475?

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

Scan your code now

Source: NVD / NIST