Microsoft Windows 11 24H2/Server 2022 23H2/Server 2025 Hyper-V denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Microsoft Windows 11 24H2/Server 2022 23H2/Server 2025. Affected by this vulnerability is an unknown functionality of the component Hyper-V. This manipulation causes denial of service. This vulnerability is handled as CVE-2025-29955. It is possible to launch the attack on the local host. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows 11 24H2/Server 2022 23H2/Server 2025. It has been declared as problematic. Affected by this vulnerability is some unknown processing of the component Hyper-V. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was released 05/13/2025 as confirmed security update guide (Website). It is possible to read the advisory at msrc.microsoft.com. This vulnerability is known as CVE-2025-29955. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/16/2026).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-14421) and CERT Bund (WID-SEC-2025-1050). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Hitachi Storage
  • Microsoft Windows Server 2019
  • Microsoft Windows Server
  • Microsoft Windows
  • Microsoft Windows 11
  • Microsoft Windows Server 2022
  • Microsoft Windows 10
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2012 R2

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.5
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 6.2
Vendor Vector (Microsoft): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

05/13/2025 🔍
05/13/2025 +0 days 🔍
05/13/2025 +0 days 🔍
03/16/2026 +307 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2025-29955 (🔍)
GCVE (CVE): GCVE-0-2025-29955
GCVE (VulDB): GCVE-100-308671
EUVD: 🔍
CERT Bund: WID-SEC-2025-1050 - Microsoft Windows Server: Mehrere Schwachstellen ermöglichen Privilegieneskalation

Entryinfo

Created: 05/13/2025 19:20
Updated: 03/16/2026 23:22
Changes: 05/13/2025 19:20 (16), 05/13/2025 19:21 (19), 05/13/2025 19:24 (34), 05/14/2025 05:41 (1), 03/16/2026 23:22 (7)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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