Brent crude futures rose 0.9 percent to $106.60 per barrel on Wednesday after attacks on Saudi Aramco's headquarters and ships near the Strait of Hormuz raised supply disruption fears.
US crude benchmark West Texas Intermediate climbed 1.8 percent to $95.79 per barrel, reaching its highest level in over two weeks amid ongoing regional military fighting.
Market analysts expect Russian diesel export increases to help limit sharp price movements, though the International Energy Agency warned that refinery capacity constraints may persist.