CVE-2026-77094

CvFWD Out-of-Bounds Write

State: Published
Severity: 7.1 High
Published: Oct 13, 2026
Updated: Oct 14, 2026
Reserved: Aug 20, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	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	Commvault

Weaknesses

CWE-787 Out-of-bounds Write

Affected Products

Product	Versions
Commvault CloudCommvault	11.46.0 through 11.46.29Affectedfrom 11.46.30Not affected 11.44.0 through 11.44.24Affectedfrom 11.44.25Not affected 11.40.0 through 11.40.77Affectedfrom 11.40.78Not affected 11.36.0 through 11.36.126Affectedfrom 11.36.127Not affected

References

https://documentation.commvault.com/securityadvisories/CV_2026_10_1.html

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