Kerberos in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gol…

published 2015-11-11 10y ago modified 2026-06-17 4mo ago also EUVD-2015-6038

cvss: 4.9; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 3.7%; EPSS 3.7% chance of exploitation in 30 days, percentile 89%
public exploits: 0; none known

Kerberos in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 Gold and 1511 mishandles password changes, which allows physically proximate attackers to bypass authentication, and conduct decryption attacks against certain BitLocker configurations, by connecting to an unintended Key Distribution Center (KDC), aka "Windows Kerberos Security Feature Bypass."

Patch / fix

links 1

docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-122 advisory

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Exploit prediction

3.72% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	4.9	AV:L/AC:L/Au:N/C:N/I:C/A:N

Classification

Weakness

CWE-255 Credentials Management Errors

References

docs.microsoft.com /en-us/security-updates/securitybulletins/2015/ms15-122
vendor-advisory, patch
securitytracker.com /id/1034125
vdb-entry, third-party-advisory

Sources

CVE List CVE-2015-6095
NVD CVE-2015-6095

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.