Overview
What is CVE-2026-62757?
Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to bypass a security feature over a network.
Vulnerability intelligence
CVE-2026-62757 and is rated Medium severity with a CVSS score of 5.9. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to bypass a security feature over a network.