This was fixed in Trusty. ---
shim-signed (1.32~14.04.2) trusty; urgency=medium
* Backport shim-signed 1.32 to 14.04. (LP: #1700170)
[...]
[ Steve Langasek ] * Update to the signed 0.9+1474479173.6c180c6-1ubuntu1 binary from Microsoft.
This was fixed in Trusty.
---
shim-signed (1.32~14.04.2) trusty; urgency=medium
* Backport shim-signed 1.32 to 14.04. (LP: #1700170)
[...]
[ Steve Langasek ] 6c180c6- 1ubuntu1 binary from
* Update to the signed 0.9+1474479173.
Microsoft.