CVE-2025-47999

MEDIUM
Published Jul 8, 2025 Modified Jul 15, 2025 CWE-820

Description

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

CVSS v3.1 Score

6.8
MEDIUM
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Weakness Type (CWE)

CWE-820 CWE-820

Affected Products

Vendor Product
microsoft windows_10_1607
microsoft windows_10_1809
microsoft windows_10_21h2
microsoft windows_10_22h2
microsoft windows_11_22h2
microsoft windows_11_23h2
microsoft windows_11_24h2
microsoft windows_server_2016
microsoft windows_server_2019
microsoft windows_server_2022
microsoft windows_server_2022_23h2
microsoft windows_server_2025

References

Frequently Asked Questions

What is CVE-2025-47999? +
Missing synchronization in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network. It has a CVSS v3.1 base score of 6.8 (MEDIUM).
How severe is CVE-2025-47999? +
CVE-2025-47999 has a CVSS v3.1 score of 6.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-47999? +
CVE-2025-47999 affects products from microsoft, specifically: windows_10_1607, windows_10_1809, windows_10_21h2, windows_10_22h2, windows_11_22h2, windows_11_23h2, windows_11_24h2, windows_server_2016, windows_server_2019, windows_server_2022, windows_server_2022_23h2, windows_server_2025. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-47999? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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