CVE Catalog
CVE-2026-56179
HighCVSS 8.3Exploitation Probability (EPSS)
Low risk0.23%
14th percentile - higher than 14% of all known CVEs
Summary
Origin validation error in Windows Network Address Translation (NAT) allows an unauthorized attacker to perform spoofing over an adjacent network.
Risk Assessment
An attacker could impersonate other devices on the network, potentially leading to traffic interception or man-in-the-middle attacks.
Recommendation
Apply the latest security updates for Windows NAT.
Original NVD description (English source)
Origin validation error in Windows Network Address Translation (NAT) allows an unauthorized attacker to perform spoofing over an adjacent network.