CVE-2026-77105

CommServe Privilege Escalation

State: Published
Severity: 8.7 High
Published: Sep 8, 2026
Updated: Sep 9, 2026
Reserved: Aug 20, 2026

Description

CommServe contained a cryptographic signature verification issue affecting privilege management. Software customers upgrade to resolved maintenance release. Update CommServe and Web Server.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	Commvault

Weaknesses

CWE-347 Improper Verification of Cryptographic Signature

Affected Products

Product	Versions
Commvault CloudCommvault	11.46.0 through 11.46.19Affectedfrom 11.46.20Not affected 11.44.0 through 11.44.19Affectedfrom 11.44.20Not affected 11.40.0 through 11.40.71Affectedfrom 11.40.72Not affected 11.36.0 through 11.36.122Affectedfrom 11.36.123Not affected

References

https://documentation.commvault.com/securityadvisories/CV_2026_08_7.html

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