Oracle Critical Patch Update — October 2026
Tuesday, 20 October 2026
Exploited 0
Confirmed exploited (CISA KEV, ENISA). "Zero-day" means exploitation was known by the patch day — install these first.
None of this release's vulnerabilities is known to be exploited so far.
Critical 65
- Critical 10.0
- Critical 10.0
- Critical 10.0
- Critical 10.0
- Critical 10.0
- Critical 10.0
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
40 more in the full list below.
Public exploit code 1
Not critical and not yet seen exploited, but exploit or proof-of-concept code is public.
- Medium 4.3
All vulnerabilities 1,077
Critical65 ShowHide
- Critical 10.0
- Critical 10.0
- Critical 10.0
- Critical 10.0
- Critical 10.0
- Critical 10.0
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.9
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.6
- Critical 9.6
- Critical 9.6
- Critical 9.6
- Critical 9.3
- Critical 9.3
- Critical 9.3
- Critical 9.1
- Critical 9.1
- Critical 9.1
- Critical 9.1
- Critical 9.1
- Critical 9.1
- Critical 9.1
- Critical 9.1
- Critical 9.1
- Critical 9.1
- Critical 9.1
- Critical 9.1
- Critical 9.1
- Critical 9.1
- Critical 9.1
High383 ShowHide
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.7
- High 8.7
- High 8.7
- High 8.7
- High 8.7
- High 8.7
- High 8.7
- High 8.7
- High 8.7
- High 8.7
- High 8.7
- High 8.7
- High 8.6
- High 8.6
- High 8.6
- High 8.6
- High 8.6
- High 8.6
- High 8.6
- High 8.6
- High 8.6
- High 8.6
- High 8.6
- High 8.6
- High 8.5
- High 8.5
- High 8.5
- High 8.5
- High 8.5
- High 8.4
- High 8.4
- High 8.4
- High 8.4
- High 8.4
- High 8.4
- High 8.4
- High 8.3
- High 8.3
- High 8.3
- High 8.3
- High 8.3
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.0
- High 8.0
- High 8.0
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.7
- High 7.7
- High 7.7
- High 7.7
- High 7.7
- High 7.7
- High 7.7
- High 7.7
- High 7.7
- High 7.7
- High 7.7
- High 7.7
- High 7.7
- High 7.7
- High 7.7
- High 7.6
- High 7.6
- High 7.6
- High 7.6
- High 7.6
- High 7.6
- High 7.6
- High 7.6
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.5
- High 7.4
- High 7.4
- High 7.4
- High 7.4
- High 7.4
- High 7.4
- High 7.4
- High 7.4
- High 7.4
- High 7.4
- High 7.4
- High 7.4
- High 7.4
- High 7.4
- High 7.4
- High 7.4
- High 7.4
- High 7.4
- High 7.4
- High 7.4
- High 7.4
- High 7.3
- High 7.3
- High 7.3
- High 7.3
- High 7.3
- High 7.2
- High 7.2
- High 7.2
- High 7.2
- High 7.2
- High 7.2
- High 7.2
- High 7.2
- High 7.2
- High 7.2
- High 7.2
- High 7.2
- High 7.2
- High 7.2
- High 7.2
- High 7.2
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
Medium538 ShowHide
- Medium 6.9
- Medium 6.9
- Medium 6.9
- Medium 6.9
- Medium 6.9
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.7
- Medium 6.7
- Medium 6.7
- Medium 6.7
- Medium 6.7
- Medium 6.7
- Medium 6.7
- Medium 6.7
- Medium 6.7
- Medium 6.7
- Medium 6.7
- Medium 6.7
- Medium 6.6
- Medium 6.6
- Medium 6.6
- Medium 6.6
- Medium 6.6
- Medium 6.6
- Medium 6.6
- Medium 6.6
- Medium 6.6
- Medium 6.6
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.4
- Medium 6.4
- Medium 6.4
- Medium 6.4
- Medium 6.4
- Medium 6.4
- Medium 6.4
- Medium 6.4
- Medium 6.4
- Medium 6.3
- Medium 6.3
- Medium 6.3
- Medium 6.3
- Medium 6.3
- Medium 6.3
- Medium 6.3
- Medium 6.3
- Medium 6.2
- Medium 6.2
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.1
- Medium 6.0
- Medium 6.0
- Medium 6.0
- Medium 6.0
- Medium 6.0
- Medium 6.0
- Medium 6.0
- Medium 6.0
- Medium 6.0
- Medium 6.0
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.8
- Medium 5.8
- Medium 5.8
- Medium 5.8
- Medium 5.8
- Medium 5.8
- Medium 5.7
- Medium 5.6
- Medium 5.6
- Medium 5.6
- Medium 5.6
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.4
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.3
- Medium 5.1
- Medium 5.0
- Medium 5.0
- Medium 5.0
- Medium 5.0
- Medium 5.0
- Medium 5.0
- Medium 5.0
- Medium 5.0
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.9
- Medium 4.8
- Medium 4.8
- Medium 4.8
- Medium 4.8
- Medium 4.8
- Medium 4.8
- Medium 4.8
- Medium 4.8
- Medium 4.8
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.5
- Medium 4.5
- Medium 4.5
- Medium 4.5
- Medium 4.4
- Medium 4.4
- Medium 4.4
- Medium 4.4
- Medium 4.4
- Medium 4.4
- Medium 4.4
- Medium 4.4
- Medium 4.4
- Medium 4.4
- Medium 4.4
- Medium 4.4
- Medium 4.4
- Medium 4.4
- Medium 4.4
- Medium 4.4
- Medium 4.4
- Medium 4.4
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.3
- Medium 4.2
- Medium 4.2
- Medium 4.2
- Medium 4.2
- Medium 4.2
- Medium 4.2
- Medium 4.2
- Medium 4.2
- Medium 4.2
- Medium 4.2
- Medium 4.2
- Medium 4.1
- Medium 4.1
- Medium 4.0
- Medium 4.0
- Medium 4.0
Low91 ShowHide
- Low 3.9
- Low 3.9
- Low 3.9
- Low 3.8
- Low 3.8
- Low 3.8
- Low 3.8
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.7
- Low 3.6
- Low 3.6
- Low 3.6
- Low 3.6
- Low 3.6
- Low 3.6
- Low 3.6
- Low 3.5
- Low 3.4
- Low 3.3
- Low 3.3
- Low 3.3
- Low 3.3
- Low 3.3
- Low 3.3
- Low 3.3
- Low 3.3
- Low 3.3
- Low 3.3
- Low 3.3
- Low 3.1
- Low 3.1
- Low 3.1
- Low 3.1
- Low 3.1
- Low 3.1
- Low 3.1
- Low 3.1
- Low 3.1
- Low 3.1
- Low 3.1
- Low 3.1
- Low 3.1
- Low 3.1
- Low 3.1
- Low 3.1
- Low 3.1
- Low 3.0
- Low 3.0
- Low 2.9
- Low 2.9
- Low 2.9
- Low 2.7
- Low 2.7
- Low 2.7
- Low 2.7
- Low 2.6
- Low 2.5
- Low 2.5
- Low 2.5
- Low 2.5
- Low 2.4
- Low 2.4
- Low 2.3
- Low 2.2
- Low 2.2
- Low 1.9