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CVE-2026-56181

—1
CVSS 3.1
8.3 high
EPSS
<1%p20
Published
()
Modified
Description

Origin validation error in Windows Network Address Translation (NAT) allows an unauthorized attacker to perform spoofing over an adjacent network.

Vendors
microsoft
Products
windows 11 24h2, windows 11 25h2, windows 11 26h1, windows server 2025
Weakness
CWE-346
Vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (0.3%)

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