CVE-2026-85818 — Windows Schannel Spoofing Vulnerability

Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to perform spoofing over a network.

Published: 2026-10-13 · CVSS: 9.0 · CVSS 3.1

Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to perform spoofing over a network.

Original CVE JSON · STIX 2.1

Source: CVE Program · Revision b3c4bc369e1d7ee69235e352bacfbb449caf40a8