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Patch days / October 2025

Oracle Critical Patch Update — October 2025

Tuesday, 21 October 2025

Vulnerabilities
76
Critical
4
High
16
Zero-days
0
Public exploit
4

Exploited 1

Confirmed exploited (CISA KEV, ENISA). "Zero-day" means exploitation was known by the patch day — install these first.

Critical 3

Public exploit code 2

Not critical and not yet seen exploited, but exploit or proof-of-concept code is public.

All vulnerabilities 76

Critical4 Show
High16 Show
Medium50 Show
Low6 Show