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2 vulnerabilities found for System.Text.Json by Microsoft
CVE-2026-120796 (GCVE-0-2026-120796)
Vulnerability from nvd – Published: 2026-11-10 18:23 – Updated: 2026-11-10 19:44
VLAI
EPSS
VEX
Title
.NET Denial of Service Vulnerability
Summary
Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.
Severity
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | .NET 11.0 installed on Linux |
Affected:
11.0.0-preview.1 , < 11.0.0
(custom)
|
|
| Microsoft | .NET 11.0 installed on Mac OS |
Affected:
11.0.0-preview.1 , < 11.0.0
(custom)
|
|
| Microsoft | .NET 11.0 installed on Windows |
Affected:
11.0.0-preview.1 , < 11.0.0
(custom)
|
|
| Microsoft | System.Text.Json |
Affected:
NOT_YET_AVAILABLE , < 11.0.0
(custom)
|
Date Public
2026-11-10 16:00
{
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CVE-2026-120796 (GCVE-0-2026-120796)
Vulnerability from cvelistv5 – Published: 2026-11-10 18:23 – Updated: 2026-11-10 19:44
VLAI
EPSS
VEX
Title
.NET Denial of Service Vulnerability
Summary
Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.
Severity
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | .NET 11.0 installed on Linux |
Affected:
11.0.0-preview.1 , < 11.0.0
(custom)
|
|
| Microsoft | .NET 11.0 installed on Mac OS |
Affected:
11.0.0-preview.1 , < 11.0.0
(custom)
|
|
| Microsoft | .NET 11.0 installed on Windows |
Affected:
11.0.0-preview.1 , < 11.0.0
(custom)
|
|
| Microsoft | System.Text.Json |
Affected:
NOT_YET_AVAILABLE , < 11.0.0
(custom)
|
Date Public
2026-11-10 16:00
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"cna": {
"affected": [
{
"product": ".NET 11.0 installed on Linux",
"vendor": "Microsoft",
"versions": [
{
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"status": "affected",
"version": "11.0.0-preview.1",
"versionType": "custom"
}
]
},
{
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"vendor": "Microsoft",
"versions": [
{
"lessThan": "11.0.0",
"status": "affected",
"version": "11.0.0-preview.1",
"versionType": "custom"
}
]
},
{
"product": ".NET 11.0 installed on Windows",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "11.0.0",
"status": "affected",
"version": "11.0.0-preview.1",
"versionType": "custom"
}
]
},
{
"product": "System.Text.Json",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "11.0.0",
"status": "affected",
"version": "NOT_YET_AVAILABLE",
"versionType": "custom"
}
]
}
],
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"vulnerable": true
},
{
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