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August 2026

CVEs published August 21, 2026

258 CVEs were published on August 21, 2026: 41 critical, 104 high. Browse them by severity, product and exploitation status.

Published
258
Critical
41
High
104
Medium
96
Low
17
Unrated
0
Now in CISA KEV
0
Fix available
175

Most affected products

Apache Software Foundation Apache CloudStack
20
Combodo iTop
18
Esri Portal for ArcGIS
13
lxc incus · canonical lxd +4
7
j2commerce.com J2Store extension for Joomla
6
lxc incus
6
Datiphy Data Management Center
4
FreeRTOS-Kernel
4
Linux
4
misp-stix
4

Critical 41

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High 104

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Medium, low and unrated 113

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