Description
Concurrent execution using shared resource with improper synchronization ('race condition') in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
Published: 2026-10-13
Score: 7.5 High
EPSS: n/a
KEV: No
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Github GHSA Github GHSA GHSA-494h-xx7x-5frh Microsoft Security Advisory CVE-2026-70183 - ASP.NET Core Security Feature Bypass Vulnerability
History

Wed, 14 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 13 Oct 2026 19:15:00 +0000

Type Values Removed Values Added
Description Concurrent execution using shared resource with improper synchronization ('race condition') in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
Title ASP.NET Core Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft asp.net Core
Microsoft microsoft Visual Studio 2026 Version 18.10
Microsoft visual Studio 2022
Weaknesses CWE-362
CPEs cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:microsoft_visual_studio_2026_version_18.10:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft asp.net Core
Microsoft microsoft Visual Studio 2026 Version 18.10
Microsoft visual Studio 2022
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Subscriptions

Microsoft Asp.net Core Microsoft Visual Studio 2026 Version 18.10 Visual Studio 2022
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-10-14T03:57:17.174Z

Reserved: 2026-08-03T23:48:30.860Z

Link: CVE-2026-70183

cve-icon Vulnrichment

Updated: 2026-10-13T20:53:23.662Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-13T19:19:32.417

Modified: 2026-10-14T04:18:32.850

Link: CVE-2026-70183

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-14T01:45:17Z

Weaknesses
  • CWE-362

    Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')