Microsoft .NET/Visual Studio privileges management

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 was found in Microsoft .NET and Visual Studio. It has been rated as problematic. The affected element is an unknown function. Performing a manipulation results in privileges management. This vulnerability is reported as CVE-2026-62909. The attack requires a local approach. No exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in Microsoft .NET and Visual Studio (version unknown). This affects an unknown function. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.

It is possible to read the advisory at msrc.microsoft.com. This vulnerability is uniquely identified as CVE-2026-62909 since 07/14/2026. The exploitability is told 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 08/20/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 335447 (AlmaLinux 10 : .NET 8.0 (ALSA-2026:54541)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at CNNVD (CNNVD-2026-99249028), Tenable (335447), EUVD (EUVD-2026-56412) and CERT Bund (WID-SEC-2026-2761). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Microsoft PowerShell
  • Red Hat Enterprise Linux
  • Fedora Linux
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2022
  • Microsoft .NET Framework
  • Microsoft Visual Studio Code
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2025
  • RESF Rocky Linux
  • Microsoft Windows
  • Microsoft .NET
  • Ubuntu Linux
  • Oracle Linux
  • Microsoft Visual Studio 2022
  • Microsoft Visual Studio 2026

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 335447
Nessus Name: AlmaLinux 10 : .NET 8.0 (ALSA-2026:54541)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/14/2026 CVE reserved
08/11/2026 +28 days Advisory disclosed
08/11/2026 +0 days VulDB entry created
08/20/2026 +9 days VulDB entry last update

Sourcesinfo

Vendor: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2026-62909 (🔒)
GCVE (CVE): GCVE-0-2026-62909
GCVE (VulDB): GCVE-100-388647
EUVD: 🔒
CERT Bund: WID-SEC-2026-2761 - Microsoft Developer Tools: Mehrere Schwachstellen
CNNVD: CNNVD-2026-99249028 - Microsoft .NET 异常处理不当漏洞

Entryinfo

Created: 08/11/2026 23:06
Updated: 08/20/2026 05:58
Changes: 08/11/2026 23:06 (52), 08/12/2026 19:02 (6), 08/15/2026 02:18 (7), 08/15/2026 06:00 (2), 08/17/2026 20:50 (1), 08/20/2026 05:58 (1)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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