CVE-2025-29828

Windows Schannel Remote Code Execution Vulnerability

Published Jun 10, 2025 CVSS 3.1 · 8.1 High EPSS 1.3% KEV · Not listed
Description
Missing release of memory after effective lifetime in Windows Cryptographic Services 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

Source ID Title
EUVD EUVD EUVD-2025-17793 Missing release of memory after effective lifetime in Windows Cryptographic Services allows an unauthorized attacker to execute code over a network.
History
Type Values Removed Values Added
First Time appeared Microsoft windows 11 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows Server 23h2
CPEs cpe:2.3:o:microsoft:windows_11_22H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_server_23h2:*:*:*:*:*:*:*:*
Vendors & Products Microsoft windows 11 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows Server 23h2
Type Values Removed Values Added
Metrics epss

{'score': 0.0013}

epss

{'score': 0.00144}

Type Values Removed Values Added
Metrics epss

{'score': 0.00117}

epss

{'score': 0.0013}

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows 11 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows Server 2022
Microsoft windows Server 2022 23h2
Microsoft windows Server 2025
CPEs cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows 11 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows Server 2022
Microsoft windows Server 2022 23h2
Microsoft windows Server 2025
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 Missing release of memory after effective lifetime in Windows Cryptographic Services allows an unauthorized attacker to execute code over a network.
Title Windows Schannel Remote Code Execution Vulnerability
Weaknesses CWE-401
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'}