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CVE-2026-96958: Microsoft .NET Framework 3.5 3.5.0 to before 2.0.50727.9188 AND 3.0.30729.9171; +8 more affected products
CVE-2026-96958 affects System.Security.Cryptography.Xml. CVSS 3.1 base score 7.5 (GitHub Advisory Database). Affected range: >= 10.0.0, <= 10.0.12. Fixed version: 10.0.13. Affected range: >= 11.0.0-preview.1, <= 11.0.0-rc.1. Fixed version: 11.0.0-rc.2. Affected range: >= 8.0.0, <= 8.0.4. Fixed version: 8.0.5. Affected range: >= 9.0.0, <= 9.0.20. Fixed version: 9.0.21.
Affected technology
Microsoft .NET Framework 3.5 · 3.5.0 to before 2.0.50727.9188 AND 3.0.30729.9171
Microsoft
Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 · 3.0.0.0 to before 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0
Microsoft
Microsoft .NET Framework 3.5 AND 4.7.2 · 4.7.0 to before 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0
Microsoft
Microsoft .NET Framework 3.5 AND 4.8 · 4.8.0 to before 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0
Microsoft
Microsoft .NET Framework 3.5 AND 4.8.1 · 4.8.1 to before 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0
Microsoft
Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 · 4.7.0 to before 4.7.4150.0
Microsoft
Microsoft .NET Framework 4.8 · 4.8.0 to before 4.8.4811.0
Microsoft
Microsoft .NET Framework 4.8.1 · 4.8.0.0 to before 4.8.9363.0
Microsoft
System.Security.Cryptography.Xml · 10.0.0 to before 10.0.13
Microsoft
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
An unauthorized attacker can deny service over a network. Vendor/CNA’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high.
- CWE
- CWE-407
- Product
- System.Security.Cryptography.Xml
- CCR priority
- 30.0 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · GitHub Advisory Database
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-13 20:20:59.886514+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-13 20:16:59.278043+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-96958.html