CVE-2026-77094

EUVD-2026-98758
CvFWD contained an out-of-bounds write affecting service availability.  Software customers upgrade to resolved maintenance release. 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_1.html