Microsoft Visual Studio access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Visual Studio. It has been rated as critical. The impacted element is an unknown function. Performing a manipulation results in access control. This vulnerability is known as CVE-2025-55240. Remote exploitation of the attack is possible. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft Visual Studio (version unknown). It has been classified as critical. This affects an unknown function. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Improper access control in Visual Studio allows an authorized attacker to elevate privileges locally.

The weakness was published 10/14/2025 as confirmed security update guide (Website). It is possible to read the advisory at msrc.microsoft.com. This vulnerability is uniquely identified as CVE-2025-55240. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. 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 11/11/2025). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 270702 (Security Updates for Microsoft Visual Studio Products (October 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 (270702) and CERT Bund (WID-SEC-2025-2278). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Microsoft PowerShell
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • Oracle Linux
  • Microsoft ASP.NET
  • RESF Rocky Linux
  • Microsoft Windows Server 2012
  • Microsoft .NET Framework
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2022
  • Microsoft Windows
  • Microsoft Visual Studio 2017
  • Microsoft Visual Studio 2019
  • Microsoft Visual Studio 2022
  • Octopus Deploy Octopus Deploy

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 7.3
Vendor Vector (Microsoft): 🔒

CNA Base Score: 7.3
CNA Vector (Microsoft): 🔒

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Unproven

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 270702
Nessus Name: Security Updates for Microsoft Visual Studio Products (October 2025)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒

Timelineinfo

10/14/2025 VulDB entry created
10/14/2025 +0 days Advisory disclosed
10/14/2025 +0 days Countermeasure disclosed
11/11/2025 +28 days VulDB entry last update

Sourcesinfo

Vendor: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2025-55240 (🔒)
GCVE (CVE): GCVE-0-2025-55240
GCVE (VulDB): GCVE-100-328335
CERT Bund: WID-SEC-2025-2278 - Microsoft Developer Tools: Mehrere Schwachstellen

Entryinfo

Created: 10/14/2025 19:14
Updated: 11/11/2025 09:57
Changes: 10/14/2025 19:14 (29), 10/14/2025 19:17 (39), 10/17/2025 21:56 (12), 10/18/2025 07:29 (2), 11/11/2025 09:57 (7)
Complete: 🔍
Cache ID: 216::103

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

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