Critical severity · published Oct 13, 2026
CVE-2026-77099
CVFS Command Execution
9.3
CVSS
0.4%
EPSS
No
On KEV
Description
CVFS contained an input validation issue affecting command execution. Software customers upgrade to resolved maintenance release. Update CVFS.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% 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
GC
Grid(HSX) CVFS · Commvault
5.0.1.0 through 5.0.14.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-77099
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-77099
documentation.commvault.com
https://documentation.commvault.com/securityadvisories/CV_2026_10_9.html
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