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2 vulnerabilities found for Microsoft.AspNetCore.Authentication.Negotiate by Microsoft
CVE-2026-70179 (GCVE-0-2026-70179)
Vulnerability from nvd – Published: 2026-10-13 19:00 – Updated: 2026-10-14 03:57
VLAI
EPSS
VEX
Title
ASP.NET Core Elevation of Privilege Vulnerability
Summary
Authentication bypass by spoofing in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 00:00 UTC
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft Visual Studio 2022 version 17.14 |
Affected:
17.14.0 , < 17.14.42
(custom)
|
|
| Microsoft | Microsoft Visual Studio 2026 version 18.10 |
Affected:
18.10.0 , < 18.10.4
(custom)
|
|
| Microsoft | Microsoft.AspNetCore.Authentication.Negotiate |
Affected:
10.0.0 , < 10.0.13
(custom)
|
Date Public
2026-10-13 14:00
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CVE-2026-70179 (GCVE-0-2026-70179)
Vulnerability from cvelistv5 – Published: 2026-10-13 19:00 – Updated: 2026-10-14 03:57
VLAI
EPSS
VEX
Title
ASP.NET Core Elevation of Privilege Vulnerability
Summary
Authentication bypass by spoofing in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 00:00 UTC
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft Visual Studio 2022 version 17.14 |
Affected:
17.14.0 , < 17.14.42
(custom)
|
|
| Microsoft | Microsoft Visual Studio 2026 version 18.10 |
Affected:
18.10.0 , < 18.10.4
(custom)
|
|
| Microsoft | Microsoft.AspNetCore.Authentication.Negotiate |
Affected:
10.0.0 , < 10.0.13
(custom)
|
Date Public
2026-10-13 14:00
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