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Medium 6.5Published Oct 13, 2026
CVE-2026-70194.NET Framework Security Feature Bypass Vulnerability
Updated under an hour ago ()
Does this affect you?
It affects Microsoft .NET 11.0 and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Improper certificate validation in .NET Framework allows an unauthorized attacker to bypass a security feature over a network.
- CVSS
- 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C
- Weakness (CWE)
- CWE-295
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- microsoft
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 16, 2026
- First seen by InfoSec Signals
- Oct 13, 2026
Affected products
Microsoft .NET 11.0 microsoft:net_11.0 (from the name) | 11.0.0 builds before 11.0.0-rc.2 | CNA record |
Microsoft Microsoft Visual Studio 2022 version 17.14 microsoft:visual_studio_2022_version_17.14 (from the name) | from 17.14.0 before 17.14.42 | CNA record |
Microsoft Microsoft Visual Studio 2026 version 18.10 microsoft:visual_studio_2026_version_18.10 (from the name) | from 18.10.0 before 18.10.4 | CNA record |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70194vendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.