CVE-2014-6321

critical
Published 2014-11-11 · Modified 2026-05-06
CVSS v3
CVSS v2
10.0
VIR risk
10.0

Description

Schannel in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code via crafted packets, aka "Microsoft Schannel Remote Code Execution Vulnerability."

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: secure@microsoft.com — https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-066

OS impact

OSVersionStatusFixed in
windows windows-affected
windows windowsr2affected

References

CWEs

CWE-94

Verify integrity in audit chain (admin only). AS-IS.