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September 2026

CVEs published September 18, 2026

511 CVEs were published on September 18, 2026: 51 critical, 209 high. Browse them by severity, product and exploitation status.

Published
511
Critical
51
High
209
Medium
216
Low
35
Unrated
0
Now in CISA KEV
0
Fix available
341

Most affected products

IBM Guardium Data Protection
42
Synology DiskStation Manager
19
OISF suricata
17
AcademySoftwareFoundation OpenImageIO
11
IBM WebSphere Application Server
11
HCL Software HCL BigFix Service Management
9
strukturag libheif
9
IBM MQ
8
MongoDB Mongoid
8
Red Hat Enterprise Linux
8

Critical 51

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High 209

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Medium, low and unrated 251

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