CVE-2026-58649
MEDIUM
MEDIUM
Priority: 0.02
BB Relevance:
63/100
Published: 2026-09-08
Modified: 2026-10-30
First seen: 2026-10-30
Status: active
Attack Surface
Network
Low Complexity
No Auth
Conf. Impact
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
Required
S:
Unchanged
C:
High
I:
None
A:
None
Description
Origin validation error in .NET allows an unauthorized attacker to disclose information over a network.
Weakness Classification (1)
Affected Software (16)
| Vendor | Product | Version |
|---|---|---|
| Microsoft | .NET 10.0 runtime | 10.0.0 < 10.0.111, 10.0.400 |
| Microsoft | .NET 11.0 runtime | 11.0.0 < 11.0 RC1 |
| Microsoft | .NET 8.0 runtime | 8.0.0 < 8.0.130, 8.0.424 |
| Microsoft | .NET 9.0 runtime | 9.0.0 < 9.0.120, 9.0.317 |
| Microsoft | Microsoft Visual Studio 2022 version 17.14 | 17.14.0 < 17.14.40 |
| Microsoft | Microsoft Visual Studio 2026 version 18.9 | 18.9.0 < 18.9.3 |
| microsoft | .net | 11.0.0 |
| microsoft | .net | 11.0.0 |
| microsoft | .net | 11.0.0 |
| microsoft | .net | 11.0.0 |
| microsoft | .net | 11.0.0 |
| microsoft | .net | 11.0.0 |
| microsoft | .net | 11.0.0 |
| microsoft | .net_sdk | 8.0.100 – 8.0.130 |
| microsoft | visual_studio_2022 | 17.14.0 – 17.14.40 |
| microsoft | visual_studio_2026 | 18.9.0 – 18.9.3 |
References & Advisories (1)
vendor-advisory
patch