The most common and most likely answer to this crossword clue is the 2 plus 3 plus 4 letter word IN THE KNOW
I
N
T
H
E
K
N
O
W
More clues leading to the result IN THE KNOW
- Aware when tin OK to recycle
- Think about these days in which Leave at last is well-informed
- We think differently about number possessing inside information
- Rip centre of kitchen out today and fly!
- Hint resolved ending in one retired person who’s studious being aware
- Privy to special information? No, we think otherwise
- Familiar ground? Then I sound negative
- Kin he won’t blend with privy to special information
- Aware of refusal to enter when kit’s off
Buddy explains!

The straight part
We know that "privy to special information" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case privy to special information = in the know.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.