CVE-2026-77093

EUVD-2026-98757
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
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
CommvaultCNA
7.1 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 12.31%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
commvaultcommvault
11.46.0 ≤
𝑥
≤ 11.46.29
CNA
commvaultcommvault
11.44.0 ≤
𝑥
≤ 11.44.24
CNA
commvaultcommvault
11.40.0 ≤
𝑥
≤ 11.40.77
CNA
commvaultcommvault
11.36.0 ≤
𝑥
≤ 11.36.126
CNA
Common Weakness Enumeration
References
https://documentation.commvault.com/securityadvisories/CV_2026_10_2.html