CVE-2026-105005

Windows Schannel Remote Code Execution Vulnerability

Published Oct 13, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Description
Out-of-bounds write in Windows Schannel allows an unauthorized attacker to execute code over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
Type Values Removed Values Added
First Time appeared Microsoft windows 11 26h1
Vendors & Products Microsoft windows 11 26h1
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Out-of-bounds write in Windows Schannel allows an unauthorized attacker to execute code over a network.
Title Windows Schannel Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft windows 11 26h1
Weaknesses CWE-787
CPEs cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:arm64:*
Vendors & Products Microsoft
Microsoft windows 11 26h1
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 10, 2026, 8:46 PM
Reserved
Oct 2, 2026, 8:51 PM
Status
Analyzed
Published
Oct 13, 2026, 7:17 PM
Modified
Oct 26, 2026, 2:53 PM