ASP.NET Core Elevation of Privilege Vulnerability
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft Visual Studio 2022 version 17.14 | affected |
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| Microsoft | Microsoft Visual Studio 2026 version 18.10 | affected |
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| Microsoft | Microsoft.AspNetCore.Authentication.Negotiate | affected |
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No data.
No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft.aspnetcore.authentication.negotiate |
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| Microsoft | Microsoft Visual Studio 2026 Version 18.10 |
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| Microsoft | Visual Studio 2022 |
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| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-vrrp-6v32-2p8g | Microsoft Security Advisory CVE-2026-70179 - ASP.NET Core Elevation of Privilege Vulnerability |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.629% probability within 30 days)
| Type | Values Removed | Values Added |
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| References |
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| Metrics |
threat_severity
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threat_severity
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| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| Description | Authentication bypass by spoofing 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 microsoft.aspnetcore.authentication.negotiate Microsoft microsoft Visual Studio 2026 Version 18.10 Microsoft visual Studio 2022 |
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| Weaknesses | CWE-290 | |
| CPEs | cpe:2.3:a:microsoft:microsoft.aspnetcore.authentication.negotiate:*:*:*:*:*:*:*:* cpe:2.3:a:microsoft:microsoft_visual_studio_2026_version_18.10:*:*:*:*:*:*:*:* cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* |
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| Vendors & Products |
Microsoft
Microsoft microsoft.aspnetcore.authentication.negotiate Microsoft microsoft Visual Studio 2026 Version 18.10 Microsoft visual Studio 2022 |
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| References |
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| Metrics |
cvssV3_1
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