CVE-2026-40405
Analyzed Analyzed - Analysis Complete
BaseFortify

Publication date: 2026-05-12

Last updated on: 2026-05-15

Assigner: Microsoft Corporation

Description
Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network.
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Meta Information
Published
2026-05-12
Last Modified
2026-05-15
Generated
2026-06-10
EPSS Evaluated
2026-06-08
NVD
CVE-2026-40405
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
microsoft windows_11_24h2 to 10.0.26100.8390 (exc)
microsoft windows_11_25h2 to 10.0.26200.8390 (exc)
microsoft windows_11_26h1 to 10.0.28000.2113 (exc)
microsoft windows_server_2025 to 10.0.26100.32772 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
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