Windows TCP/IP Denial of Service Vulnerability
References
| Link | Resource |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40401 | Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
01 Jun 2026, 19:16
| Type | Values Removed | Values Added |
|---|---|---|
| Summary | (en) Windows TCP/IP Denial of Service Vulnerability |
15 May 2026, 15:25
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* |
|
| References | () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40401 - Vendor Advisory | |
| First Time |
Microsoft windows Server 2012
Microsoft windows Server 2025 Microsoft windows 10 21h2 Microsoft windows Server 2016 Microsoft windows Server 2022 23h2 Microsoft windows Server 2022 Microsoft Microsoft windows 11 26h1 Microsoft windows 11 23h2 Microsoft windows 10 1607 Microsoft windows 10 1809 Microsoft windows 11 25h2 Microsoft windows Server 2019 Microsoft windows 11 24h2 Microsoft windows 10 22h2 |
12 May 2026, 18:17
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-05-12 18:17
Updated : 2026-06-01 19:16
NVD link : CVE-2026-40401
Mitre link : CVE-2026-40401
CVE.ORG link : CVE-2026-40401
JSON object : View
Products Affected
microsoft
- windows_11_25h2
- windows_10_1607
- windows_11_24h2
- windows_10_1809
- windows_11_23h2
- windows_11_26h1
- windows_10_22h2
- windows_server_2012
- windows_server_2016
- windows_server_2022_23h2
- windows_10_21h2
- windows_server_2022
- windows_server_2019
- windows_server_2025
CWE
CWE-476
NULL Pointer Dereference