CVE-2026-62757
Microsoft · Published August 11, 2026
5.3
CVSS v3.1
MEDIUMPatch availableGet patch
Description
Windows Schannel Security Feature Bypass Vulnerability. Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to bypass a security feature over a network.
Affected Products
- Windows 10 Version 1809 for 32-bit Systems
- Windows 10 Version 1809 for x64-based Systems
- Windows Server 2019
- Windows Server 2019 (Server Core installation)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C