CVE-2025-47971

Name: CVE-2025-47971
Creator: NVD / NIST
Published: 2025-07-08T17:15:37.133+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2025-47971 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Buffer over-read in Virtual Hard Disk (VHDX) allows an unauthorized attacker to elevate privileges locally.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

Description

Buffer over-read in Virtual Hard Disk (VHDX) 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

0.46%

36.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-126

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows 10 1507	< 10.0.10240.21073	—
Microsoft	Windows 10 1607	< 10.0.14393.8246	—
Microsoft	Windows 10 1809	< 10.0.17763.7558	—
Microsoft	Windows 10 21h2	< 10.0.19044.6093	—
Microsoft	Windows 10 22h2	< 10.0.19045.6093	—
Microsoft	Windows 11 22h2	< 10.0.22621.5624	—
Microsoft	Windows 11 23h2	< 10.0.22631.5624	—
Microsoft	Windows 11 24h2	< 10.0.26100.4652	—
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	< 10.0.14393.8246	—
Microsoft	Windows Server 2019	< 10.0.17763.7558	—
Microsoft	Windows Server 2022	< 10.0.20348.3932	—
Microsoft	Windows Server 2022 23h2	< 10.0.25398.1732	—
Microsoft	Windows Server 2025	< 10.0.26100.4652	—

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47971Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2025-47971?

Buffer over-read in Virtual Hard Disk (VHDX) allows an unauthorized attacker to elevate privileges locally.

How severe is CVE-2025-47971?

CVE-2025-47971 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2025-47971?

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-2025-47971?

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

Scan your code now

Source: NVD / NIST