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High 7.5Published Oct 13, 2026
CVE-2026-96233ASP.NET Core Denial of Service Vulnerability
Updated under an hour ago ()
Does this affect you?
It affects Microsoft .NET 10.0 and 11 other products. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.77%, higher than 55% of scored CVEs.
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Out-of-bounds write in ASP.NET Core allows an unauthorized attacker to deny service over a network.
- CVSS
- 7.5 HIGH (v3.1, CNA)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
- Weakness (CWE)
- CWE-787
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.77% (percentile 55)
- 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 10.0 microsoft:net_10.0 (from the name) | from 10.0.0 before 10.0.13 | CNA record |
Microsoft .NET 11.0 microsoft:net_11.0 (from the name) | 11.0.0 builds before 11.0.0-rc.2 | CNA record |
Microsoft .NET 8.0 microsoft:net_8.0 (from the name) | from 8.0.0 before 8.0.32 | CNA record |
Microsoft .NET 9.0 microsoft:net_9.0 (from the name) | from 9.0.0 before 9.0.21 | CNA record |
Microsoft Microsoft .NET Framework 3.5 microsoft:net_framework_3.5 (from the name) | 3.5.0 builds before 2.0.50727.9188 AND 3.0.30729.9171 | CNA record |
Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 microsoft:net_framework_3.5_and_4.6.2_4.7_4.7.1_4.7.2 (from the name) | 3.0.0.0 builds before 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0 | CNA record |
Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 microsoft:net_framework_3.5_and_4.7.2 (from the name) | 4.7.0 builds before 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0 | CNA record |
Microsoft Microsoft .NET Framework 3.5 AND 4.8 microsoft:net_framework_3.5_and_4.8 (from the name) | 4.8.0 builds before 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0 | CNA record |
Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 microsoft:net_framework_3.5_and_4.8.1 (from the name) | 4.8.1 builds before 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0 | CNA record |
Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 microsoft:net_framework_4.6.2_4.7_4.7.1_4.7.2 (from the name) | from 4.7.0 before 4.7.4150.0 | CNA record |
Microsoft Microsoft .NET Framework 4.8 microsoft:net_framework_4.8 (from the name) | from 4.8.0 before 4.8.4811.0 | CNA record |
Microsoft Microsoft .NET Framework 4.8.1 microsoft:net_framework_4.8.1 (from the name) | from 4.8.0.0 before 4.8.9363.0 | CNA record |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96233vendor-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.