1. Home
  2. CVE Database
  3. CVE-2025-47971
HIGH · 7.8

CVE-2025-47971

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

Vulnerability Description

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

CVSS Score

7.8

HIGH

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

Affected Products

VendorProductVersions
MicrosoftWindows 10 1507< 10.0.10240.21073
MicrosoftWindows 10 1607< 10.0.14393.8246
MicrosoftWindows 10 1809< 10.0.17763.7558
MicrosoftWindows 10 21H2< 10.0.19044.6093
MicrosoftWindows 10 22H2< 10.0.19045.6093
MicrosoftWindows 11 22H2< 10.0.22621.5624
MicrosoftWindows 11 23H2< 10.0.22631.5624
MicrosoftWindows 11 24H2< 10.0.26100.4652
MicrosoftWindows Server 2008-
MicrosoftWindows Server 2012-
MicrosoftWindows Server 2016< 10.0.14393.8246
MicrosoftWindows Server 2019< 10.0.17763.7558
MicrosoftWindows Server 2022< 10.0.20348.3932
MicrosoftWindows Server 2022 23H2< 10.0.25398.1732
MicrosoftWindows Server 2025< 10.0.26100.4652

Related Weaknesses (CWE)

CWE-126

References

FAQ

What is CVE-2025-47971?

CVE-2025-47971 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-47971?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21H2, Microsoft Windows 10 22H2.