CVE-2025-62571

Name: CVE-2025-62571
Creator: NVD / NIST
Published: 2025-12-09T18:16:03.337+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.36%

Last modified Jun 17, 2026

CVE-2025-62571 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Improper input validation in Windows Installer allows an authorized attacker to elevate privileges locally.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.

Description

Improper input validation in Windows Installer allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.36%

28.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows 10 1607	< 10.0.14393.8688	—
Microsoft	Windows 10 1809	< 10.0.17763.8146	—
Microsoft	Windows 10 21h2	< 10.0.19044.6691	—
Microsoft	Windows 10 22h2	< 10.0.19045.6691	—
Microsoft	Windows 11 23h2	< 10.0.22631.6345	—
Microsoft	Windows 11 24h2	< 10.0.26100.7392	—
Microsoft	Windows 11 25h2	< 10.0.26200.7392	—
Microsoft	Windows Server 2008	All versions	Sp2
Microsoft	Windows Server 2008	r2	Sp1
Microsoft	Windows Server 2012	All versions	—
Microsoft	Windows Server 2012	r2	—
Microsoft	Windows Server 2016	< 10.0.14393.8688	—
Microsoft	Windows Server 2019	< 10.0.17763.8146	—
Microsoft	Windows Server 2022	< 10.0.20348.4467	—
Microsoft	Windows Server 2022 23h2	< 10.0.25398.2025	—
Microsoft	Windows Server 2025	< 10.0.26100.7392	—

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62571Vendor Advisory

Timeline

Published: Dec 9, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-62571?

Improper input validation in Windows Installer allows an authorized attacker to elevate privileges locally.

How severe is CVE-2025-62571?

CVE-2025-62571 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.

How do I fix CVE-2025-62571?

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-2025-62571?

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

Scan your code now

Source: NVD / NIST