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May 2026

CVEs published May 26, 2026

275 CVEs were published on May 26, 2026: 23 critical, 94 high. 2 are now in CISA KEV.

Published
275
Critical
23
High
94
Medium
146
Low
9
Unrated
3
Now in CISA KEV
2
Fix available
141

Most affected products

Joomla! Project Joomla! CMS
18
IBM HTTP Server
8
Apple macOS
7
1Panel-dev MaxKB
6
Autodesk 3ds Max
5
checkpoint Quantum Security Gateway
5
lepture mistune · mistune
5
NVIDIA GeForce · NVIDIA RTX, Quadro, NVS +2
5
prolix-oc Lumiverse
5
xyproto algernon · github.com/xyproto/algernon
5

Critical 23

High 94

Medium, low and unrated 158