The Rebels outscored the Anteaters by 20 points over the final period while running their record to 4-1.
Moser added nine rebounds and UNLV won despite shooting 42 percent. The Rebels turned the ball over only seven times and they outrebounded California-Irvine by 14.
UNLV's only loss has been a four-point setback to Oregon the day after Thanksgiving.
The Anteaters (3-5) got 20 points and five rebounds from Daman Starring.