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CVE-2026-62899 Details
Description
Inconsistent interpretation of http requests ('http request/response smuggling') in .NET allows an unauthorized attacker to bypass a security feature over a network.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Aug 12, 2026Exploitation: NoneAutomatable: NoTechnical Impact: Partial
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62899 | [email protected] | PatchVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-444 | Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft visual studio 2022 | >= 17.14.0, < 17.14.38 |
CPE
Remediation
| |
| microsoft visual studio 2026 | >= 18.8.0, < 18.8.3 |
CPE
Remediation
| |
| microsoft .net | >= 8.0.0, < 8.0.30 >= 9.0.0, < 9.0.19 >= 10.0.0, < 10.0.11 |
CPE
Remediation
| |
| apple macos | All versions |
CPE
Remediation
| |
| linux linux kernel | All versions |
CPE
Remediation
| |
| microsoft windows | All versions |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 14, 2026 | Initial Analysis | [email protected] |
| Aug 12, 2026 | CVE Modified | CISA-ADP |
| Aug 11, 2026 | New CVE Received | [email protected] |