Here you will find a list of the latest Citrix Provisioning Services Updates.
I will do my best to update the list as soon as there are new updates available.

Citrix Provisioning Services 7.6 (Server)

Provisioning Services 7.6 Cumulative Update 1 for Server and Console x86
http://support.citrix.com/article/CTX142613
Replaces: None (yet)

Provisioning Services 7.6 Cumulative Update 1 for Server and Console x64
http://support.citrix.com/article/CTX142614
Replaces: None (yet)

Citrix Provisioning Services 7.6 (Target)

Provisioning Services 7.6 Cumulative Update 1 for Target Device x86
http://support.citrix.com/article/CTX142615
Replaces: None (yet)

Provisioning Services 7.6 Cumulative Update 1 for Target Device x64
http://support.citrix.com/article/CTX142616
Replaces: None (yet)

Citrix Provisioning Services 7.1 (Server)

Hotfix PVS710ServerConsoleWX86004 for PVS Server and Console 7.1 x86
http://support.citrix.com/article/CTX142336
Replaces: All Other Versions

Hotfix PVS710ServerConsoleWX64004 for PVS Server and Console 7.1 x64
http://support.citrix.com/article/CTX142406
Replaces: All Other Versions

Citrix Provisioning Services 7.1 (Target)

Hotfix PVS710TargetDeviceWX86004 for PVS Target Device 7.1 x86
http://support.citrix.com/article/CTX142333
Replaces: All Other Versions

Hotfix PVS710TargetDeviceWX64004 for PVS Target Device 7.1 x64
http://support.citrix.com/article/CTX142397
Replaces: All Other Versions