Windows TCP/IP Information Disclosure Vulnerability
Use after free in Windows TCP/IP allows an unauthorized attacker to disclose information over a network.
MSRC compact vulnerability detail
CVE-2026-40406 · Windows TCP/IP Information Disclosure Vulnerability
Use after free in Windows TCP/IP allows an unauthorized attacker to disclose information over a network.
Signals
Windows TCP/IP
Information Disclosure
Exploited: No
Publicly disclosed: No
Exploitability: Exploitation Less Likely
CWE
Patch Diff
Loading module diff metadata...
Resolved binary override
Use this when the MSRC module name cannot be mapped automatically or the resolved binary looks wrong.
Description
Use after free in Windows TCP/IP allows an unauthorized attacker to disclose information over a network.
FAQ / Articles
Kernel Memory Information Disclosure
What type of information could be disclosed by this vulnerability? Exploiting this vulnerability could allow the disclosure of certain kernel memory content.