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September 2026

CVEs published September 29, 2026

611 CVEs were published on September 29, 2026: 97 critical, 251 high.

Published
611
Critical
97
High
251
Medium
229
Low
34
Unrated
0
Now in CISA KEV
0
Fix available
383

Most affected products

Google Chrome
140
Mozilla Firefox · Mozilla Thunderbird
50
Mozilla Thunderbird · Mozilla Firefox
26
Wireshark Foundation Wireshark
19
Hewlett Packard Enterprise (HPE) Instant ON
18
Eclipse Foundation NetX Duo
17
Joomla! Project Joomla! CMS · joomla
14
OpenSSL
14
WatchGuard Fireware OS
14
Red Hat Enterprise Linux
10

Critical 97

High 251

Medium, low and unrated 263