Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-49751

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
12/08/2025
Last modified:
15/08/2025

Description

Missing synchronization in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network.

Impact

Vector 3.x
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
6.80
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* 10.0.14393.8330 (excluding)
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* 10.0.17763.7678 (excluding)
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* 10.0.19044.6216 (excluding)
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* 10.0.19045.6216 (excluding)
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* 10.0.22621.5768 (excluding)
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* 10.0.22631.5768 (excluding)
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* 10.0.26100.4851 (excluding)
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* 10.0.14393.8330 (excluding)
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* 10.0.17763.7678 (excluding)
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* 10.0.20348.3989 (excluding)
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* 10.0.25398.1791 (excluding)
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* 10.0.26100.4851 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools