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Check: WN10-UR-000005

Microsoft Windows 10 STIG: WN10-UR-000005 (in versions v2 r9 through v1 r7)

Title

The Access Credential Manager as a trusted caller user right must not be assigned to any groups or accounts. (Cat II impact)

Discussion

Inappropriate granting of user rights can provide system, administrative, and other high level capabilities. Accounts with the "Access Credential Manager as a trusted caller" user right may be able to retrieve the credentials of other accounts from Credential Manager.

Check Content

Verify the effective setting in Local Group Policy Editor. Run "gpedit.msc". Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment. If any groups or accounts are granted the "Access Credential Manager as a trusted caller" user right, this is a finding.

Fix Text

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment >> "Access Credential Manager as a trusted caller" to be defined but containing no entries (blank).

Additional Identifiers

Rule ID: SV-220956r877392_rule

Vulnerability ID: V-220956

Group Title: SRG-OS-000324-GPOS-00125

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CCIs

CCIs tied to check.

Number	Definition
CCI-002235	The information system prevents non-privileged users from executing privileged functions to include disabling, circumventing, or altering implemented security safeguards/countermeasures.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
AC-6 (10)	Prohibit Non-Privileged Users From Executing Privileged Functions