CSKA Moscow's Pontus Wernbloom (R) celebrates after scoring against Real Madrid with team mate Vasili Berezutski during their Champions League last 16 first leg soccer match at the Luzhniki stadium in Moscow, Feb 21, 2012. [Photo/Agencies]
The Swedish midfielder's debut game for CSKA ended with him poking the ball home in the third minute of stoppage time in the first leg at Luzhniki Stadium.
Madrid had won all previous six matches in the competition this season and it was the first away goal conceded this campaign.
Wernbloom's goal came after CSKA missed a host of opportunities following Cristiano Ronaldo's 28th-minute goal, which appeared to have put the visitors on course for victory in a match played in subzero temperatures and on artificial turf.
Ronaldo scored his 36th goal of the season after CSKA had failed to clear Fabio Coentrao's cross from the left, the ball bouncing for the Portugal forward to strike a left-footed shot into the net.
"Our opponents were tough and the match was hard," Madrid coach Jose Mourinho said. "Our opponents did very little to score but got their goal. They were very happy to get that. We had our chances, especially in the second half, but we didn't convert them. In the end … I'm satisfied with the result."
The return leg at the Santiago Bernabeu stadium in Madrid is on March 14.
Real Madrid's Cristiano Ronaldo reacts during his Champions League last 16 first leg soccer match against CSKA Moscow at the Luzhniki stadium in Moscow, Feb 21, 2012. [Photo/Agencies]