CVE-2026-56186CWE-125

Windows Secure Channel Information Disclosure Vulnerability

High · published July 14, 2026

CVSS v3.1
8.1
EPSS
1%
Percentile
65.5
In the wild
Unconfirmed
What it is

Out-of-bounds read in Windows Schannel allows an authorized attacker to disclose information over a network.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.01106 · 65.5th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-07-14T17:09Z
EPSS history
Timeline
  • 14 JUL 17:09Z
    Windows Secure Channel Information Disclosure Vulnerability
    cvelistv5