Vulnerability details
CVE-2026-96233
Microsoft NET runtimeMicrosoft .NET FrameworkMicrosoft .NET Framework AND
ASP.NET Core Denial of Service Vulnerability
CVSS 3.1
7.5High
Official description
Out-of-bounds write in ASP.NET Core allows an unauthorized attacker to deny service over a network.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (microsoft) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Microsoft | .NET 10.0 runtime | 10.0.0 ≤ v < 10.0.13 | CVEProject cvelistV5 (CNA) |
| Microsoft | .NET 11.0 runtime | 11.0.0 ≤ v < 11.0.0-rc.2 | CVEProject cvelistV5 (CNA) |
| Microsoft | .NET 8.0 runtime | 8.0.0 ≤ v < 8.0.32 | CVEProject cvelistV5 (CNA) |
| Microsoft | .NET 9.0 runtime | 9.0.0 ≤ v < 9.0.21 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 3.5 | 3.5.0 ≤ v < 2.0.50727.9188 AND 3.0.30729.9171 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 | 3.0.0.0 ≤ v < 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 | 4.7.0 ≤ v < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 | 4.8.0 ≤ v < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 | 4.8.1 ≤ v < 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 | 4.7.0 ≤ v < 4.7.4150.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 4.8 | 4.8.0 ≤ v < 4.8.4811.0 | CVEProject cvelistV5 (CNA) |
| Microsoft | Microsoft .NET Framework 4.8.1 | 4.8.0.0 ≤ v < 4.8.9363.0 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96233 vendor-advisorypatch
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Details
- Published
- 2026-10-13
- Last updated
- 2026-10-31
- State
- Published
- Assigner (CNA)
- microsoft
Exploit prediction (EPSS)
0.99%
Probability of exploitation in 30 days
62.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-787Out-of-bounds Write