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May 2026

CVEs published May 28, 2026

543 CVEs were published on May 28, 2026: 57 critical, 260 high. 1 is now in CISA KEV.

Published
543
Critical
57
High
260
Medium
134
Low
15
Unrated
77
Now in CISA KEV
1
Fix available
395

Most affected products

Google Chrome
151
Linux
135
Canonical Ubuntu Linux
12
Elastic Kibana
10
Oracle REST Data Services
10
portainer · github.com/portainer/portainer
8
Casdoor · github.com/casdoor/casdoor
7
Red Hat build of Keycloak · org.keycloak:keycloak-services
7
rustfs
7
jpadilla pyjwt · pyjwt
5

Critical 57

High 260

Medium, low and unrated 226