High severity · published Oct 13, 2026
CVE-2026-77093
CvFWD Denial of Service
7.1
CVSS
0.2%
EPSS
No
On KEV
Description
CvFWD contained an integer overflow affecting service availability. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including CommServe, Webserver, Command Center, MediaAgents, Clients and HyperScale
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 13% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Commvault Cloud · Commvault
11.46.0 through 11.46.29; 11.44.0 through 11.44.24; 11.40.0 through 11.40.77; 11.36.0 through 11.36.126 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-77093
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-77093
documentation.commvault.com
https://documentation.commvault.com/securityadvisories/CV_2026_10_2.html
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