PT-2026-58603 · Microsoft · Schannel+1

CVE-2026-56186

Published

2026-07-14

Updated

2026-07-22

CVSS v3.1

8.1

High

Vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Name of the Vulnerable Software and Affected Versions Windows Schannel (affected versions not specified)

Description An out-of-bounds read in Windows Schannel allows an authorized attacker to disclose sensitive information over a network.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Out of bounds Read

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CVE-2026-56186

Schannel

Windows