What is the CVSS score of CVE-2025-47973?

CVE-2025-47973 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 Server 2008 are affected by CVE-2025-47973?

CVE-2025-47973 is a buffer over-read vulnerability in Virtual Hard Disk (VHDX) that allows local attackers to elevate privileges, potentially compromising virtualized infrastructure and sensitive…. A patch is available.

How to fix or mitigate CVE-2025-47973?

Within 24 hours: Identify and inventory all systems running VHDX-enabled environments (Windows Server, Hyper-V hosts, and client systems with virtual machines). Within 7 days: Apply the vendor-released patch from Microsoft to all affected systems, prioritizing Hyper-V hosts and production virtualization platforms. Within 30 days: Complete patch deployment across all remaining affected systems and validate through vulnerability scans.

Windows Server 2008 CVE-2025-47973

EUVD-2025-20615 HIGH

Buffer Over-read (CWE-126)

2025-07-08 secure@microsoft.com

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

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

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

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

10.0.20348.3932,10.0.14393.8246,10.0.22631.5624

EUVD ID Assigned

Mar 16, 2026 - 04:21 euvd

EUVD-2025-20615

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-2025-47973 vulnerability details – vuln.today

Back

Windows Server 2008 CVE-2025-47973

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

Analysis

Technical ContextAI

RemediationAI

More in Windows Server 2008

Same weakness CWE-126 – Buffer Over-read

Same technique Buffer Overflow

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External POC / Exploit Code