What is the CVSS score of CVE-2025-47971?

CVE-2025-47971 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Windows 10 1507 are affected by CVE-2025-47971?

CVE-2025-47971 is a high-severity privilege escalation vulnerability in Virtual Hard Disk (VHDX) processing that allows local attackers to gain elevated system privileges through a buffer over-read…. A patch is available.

How to fix or mitigate CVE-2025-47971?

Within 24 hours: Identify all systems using VHDX virtual disk functionality and assess current patch levels. Within 7 days: Apply vendor-released patch to all affected VHDX implementations and test in non-production environments first. Within 30 days: Verify patch deployment across all virtualization hosts, document completion, and conduct post-patch validation testing.

Windows 10 1507 CVE-2025-47971

EUVD-2025-20656 HIGH

Buffer Over-read (CWE-126)

2025-07-08 secure@microsoft.com

Buffer Overflow Microsoft Windows 10 1507 Windows 10 1607 Windows 10 1809 Windows 10 21h2 Windows 10 22h2 Windows 11 22h2 Windows 11 23h2 Windows 11 24h2 Windows Server 2008 Windows Server 2012 Windows Server 2016 Windows Server 2019 Windows Server 2022 Windows Server 2022 23h2 Windows Server 2025

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Updated

Apr 16, 2026 - 06:33 EUVD-patch-fix

executive_summary

Re-analysis Queued

Apr 16, 2026 - 05:29 backfill_euvd_patch

patch_released

Patch available

Apr 16, 2026 - 05:29 EUVD

6.0.6003.23418,10.0.17763.7558,10.0.14393.8246

EUVD ID Assigned

Mar 16, 2026 - 04:21 euvd

EUVD-2025-20656

Analysis Generated

Mar 16, 2026 - 04:21 vuln.today

CVE Published

Jul 08, 2025 - 17:15 nvd

HIGH 7.8

DescriptionCVE.org

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

Analysis

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

Technical ContextAI

This vulnerability is classified as Buffer Over-read (CWE-126).

RemediationAI

Monitor vendor advisories for patches. Apply mitigations such as network segmentation, access restrictions, and monitoring.

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CVE-2025-47971 vulnerability details – vuln.today

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Windows 10 1507 CVE-2025-47971

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

Analysis

Technical ContextAI

RemediationAI

More in Windows 10 1507

Same weakness CWE-126 – Buffer Over-read

Same technique Buffer Overflow

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External POC / Exploit Code