CVE-2026-77105

8.7 highEPSS 0.3%

High (8.7) in commvault commvault. EPSS 0.3% chance of exploitation in the next 30 days.

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

Severity

CVSS 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

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-31)
CWE: CWE-347
Published: 2026-09-08
Modified: 2026-09-09
Record from: the NVD, synced 2026-10-19

Affected

commvault:commvault

References

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

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