Oracle Critical Patch Update April 2026

Q4 201 Protected by Waratek1 Medium1 blocked by ARMR today1 No public exploit1 Q1 211 No exploit published1 High1 not blocked1 No public exploit1 Q2 211 No exploit published1 Medium1 not blocked1 No public exploit1 Q3 210 Q4 211 Protected by Waratek1 Critical1 blocked by ARMR today1 Exploited1 Q1 223 Protected by Waratek3 Critical1 High2 blocked by ARMR today3 Proof of concept only1 Forecast only2 Q2 221 No exploit published1 High1 not blocked1 No public exploit1 Q3 222 No exploit published2 High2 not blocked2 No public exploit2 Q4 224 Protected by Waratek1 No exploit published3 Critical1 High3 blocked by ARMR today1 not blocked3 Proof of concept only3 No public exploit1 Q1 232 Protected by Waratek1 No exploit published1 High2 blocked by ARMR today1 not blocked1 Exploited1 Proof of concept only1 Q2 235 No exploit published5 High2 Medium3 not blocked5 Proof of concept only1 No public exploit4 Q3 233 No exploit published3 Critical1 High2 not blocked3 No public exploit3 Q4 234 No exploit published3 Outside Waratek scope1 Critical2 Medium2 not blocked4 Exploited1 Proof of concept only1 No public exploit2 Q1 245 No exploit published4 Not applicable1 Critical1 High1 Medium3 not blocked5 Proof of concept only1 No public exploit4 Q2 248 No exploit published4 Outside Waratek scope1 Not applicable3 Critical2 High4 Medium2 not blocked8 Proof of concept only1 No public exploit7 Q3 245 No exploit published4 Not applicable1 Critical1 High4 not blocked5 Exploited1 No public exploit4 Q4 246 Protected by Waratek1 No exploit published4 Outside Waratek scope1 Critical2 Medium4 blocked by ARMR today1 not blocked5 Proof of concept only2 No public exploit4 Q1 259 Mitigation candidate1 No exploit published3 Not applicable5 High6 Medium3 not blocked9 Exploited1 Proof of concept only5 No public exploit3 Q2 2522 Protected by Waratek2 Mitigation candidate1 No exploit published11 Not applicable8 Critical1 High13 Medium7 Low1 blocked by ARMR today2 not blocked20 Exploited1 Proof of concept only4 No public exploit17 Q3 2549 Protected by Waratek1 Mitigation candidate1 No exploit published14 Outside Waratek scope1 Not applicable32 Critical2 High17 Medium25 Low5 blocked by ARMR today1 not blocked48 Exploited1 Working exploit published3 Proof of concept only9 No public exploit36 Q4 2556 Protected by Waratek1 No exploit published18 Outside Waratek scope1 Not applicable36 Critical5 High23 Medium26 Low2 blocked by ARMR today1 not blocked55 Exploited1 Proof of concept only8 No public exploit47 Q1 26130 Protected by Waratek3 No exploit published16 Outside Waratek scope2 Not applicable109 Critical15 High67 Medium43 Low5 blocked by ARMR today3 not blocked127 Proof of concept only14 No public exploit116 Q2 26103 Protected by Waratek1 Mitigation candidate1 No exploit published54 Outside Waratek scope3 Not applicable44 Critical5 High22 Medium67 Low9 blocked by ARMR today1 not blocked102 Proof of concept only2 No public exploit101