Vulnerability details

CVE-2026-77094

Commvault Cloud

CvFWD Out-of-Bounds Write

CVSS 4.0
7.1High

Official description

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.

CVSS scores

ScoreVersionSourceVector
7.1High 4.0 CVEProject cvelistV5 (CNA) (Commvault) 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

Affected products

VendorProductVersionsSource
Commvault Commvault Cloud 11.36.0 ≤ v ≤ 11.36.126 CVEProject cvelistV5 (CNA)
Commvault Commvault Cloud 11.40.0 ≤ v ≤ 11.40.77 CVEProject cvelistV5 (CNA)
Commvault Commvault Cloud 11.44.0 ≤ v ≤ 11.44.24 CVEProject cvelistV5 (CNA)
Commvault Commvault Cloud 11.46.0 ≤ v ≤ 11.46.29 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-10-13
Last updated
2026-10-14
State
Published
Assigner (CNA)
Commvault

Exploit prediction (EPSS)

0.22%
Probability of exploitation in 30 days
13.3%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Partial

Weaknesses (CWE)

  • CWE-787
    Out-of-bounds Write