The most common and most likely answer to this crossword clue is the 10 letter word SPEARHEADS
I've seen this crossword clue in The Times
S
P
E
A
R
H
E
A
D
S
Buddy explains!

The straight part
We know that "sharp points potentially injurious" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sharp points potentially injurious = spearheads.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.
What does SPEARHEADS mean?
SPEARHEADS noun- The pointed head, or end, of a spear.
- One who leads or initiates an activity (such as an attack or a campaign).
- The leading military unit in an attack.
- A player who initiates attacking moves.
- To drive or campaign ardently for, as an effort, project, etc.