CVE-2026-77102

EUVD-2026-72728
CommServe contained a heap-based buffer overflow issue affecting service availability. Software customers upgrade to resolved maintenance release. Update CommServe.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
CommvaultCNA
8.7 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
commvaultcommvault
11.46.0 ≤
𝑥
≤ 11.46.19
CNA
commvaultcommvault
11.44.0 ≤
𝑥
≤ 11.44.19
CNA
commvaultcommvault
11.40.0 ≤
𝑥
≤ 11.40.71
CNA
commvaultcommvault
11.36.0 ≤
𝑥
≤ 11.36.122
CNA
Common Weakness Enumeration
References
https://documentation.commvault.com/securityadvisories/CV_2026_08_4.html