CVE-2026-40401

HIGH EPSS 24.9%
Published May 12, 20261mo ago · Modified Jun 17, 20262w ago
7.1 CVSS 3.1
High
Find Similar
Published May 12, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

Description

Windows TCP/IP Denial of Service Vulnerability

CVSS Details

Base Score
7.1
Exploitability
2.5
Impact
4.0
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
24.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 19

VendorProductVersionRange
microsoftwindows_10_1607* <10.0.14393.9140
microsoftwindows_10_1809* <10.0.17763.8755
microsoftwindows_10_21h2* <10.0.19044.7291
microsoftwindows_10_22h2* <10.0.19045.7291
microsoftwindows_11_23h2* <10.0.22631.7079
microsoftwindows_11_23h2* <10.0.22631.7079
microsoftwindows_11_24h2* <10.0.26100.8390
microsoftwindows_11_24h2* <10.0.26100.8390
microsoftwindows_11_25h2* <10.0.26200.8390
microsoftwindows_11_25h2* <10.0.26200.8390
microsoftwindows_11_26h1* <10.0.28000.2113
microsoftwindows_11_26h1* <10.0.28000.2113
microsoftwindows_server_2012*any
microsoftwindows_server_2012r2any
microsoftwindows_server_2016* <10.0.14393.9140
microsoftwindows_server_2019* <10.0.17763.8755
microsoftwindows_server_2022* <10.0.20348.5074
microsoftwindows_server_2022_23h2* <10.0.25398.2330
microsoftwindows_server_2025* <10.0.26100.32772

References 1

  • msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40401
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.