Microsoft Windows up to Server 2025 Remote Desktop Client heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$25k-$100k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Microsoft Windows. Affected by this vulnerability is an unknown functionality of the component Remote Desktop Client. The manipulation results in heap-based overflow. This vulnerability is reported as CVE-2025-29967. The attack can be launched remotely. No exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as critical has been found in Microsoft Windows. Affected is an unknown part of the component Remote Desktop Client. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 05/13/2025 as confirmed security update guide (Website). The advisory is available at msrc.microsoft.com. This vulnerability is traded as CVE-2025-29967. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $25k-$100k at the moment (estimation calculated on 03/17/2026).

The vulnerability scanner Nessus provides a plugin with the ID 235859 (KB5058403: Windows Server 2012 R2 Security Update (May 2025)), which helps to determine the existence of the flaw in a target environment.

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 Tenable (235859) and CERT Bund (WID-SEC-2025-1050). If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 8.8
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.8
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 8.8
Vendor Vector (Microsoft): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 235859
Nessus Name: KB5058403: Windows Server 2012 R2 Security Update (May 2025)

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 🔍
03/17/2026 +307 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2025-29967 (🔍)
GCVE (CVE): GCVE-0-2025-29967
GCVE (VulDB): GCVE-100-308682
CERT Bund: WID-SEC-2025-1050 - Microsoft Windows Server: Mehrere Schwachstellen ermöglichen Privilegieneskalation

scip Labs: https://www.scip.ch/en/?labs.20161215

Entryinfo

Created: 05/13/2025 19:25
Updated: 03/17/2026 04:10
Changes: 05/13/2025 19:25 (22), 05/13/2025 19:26 (13), 05/13/2025 19:29 (34), 05/14/2025 10:43 (2), 03/17/2026 04:10 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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