What is CVE-2026-9787?

CVE-2026-9787 is a high-severity vulnerability in Quest Netvault Backup, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-06-25.

How severe is CVE-2026-9787?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Quest Netvault Backup

CVE-2026-9787

Quest NetVault Backup NVBULogDaemon Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Quest NetVault Backup. Although authentication is…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.014 (69.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Quest Netvault Backup — versions 14.0.0.19
Quest Netvault_backup

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

zdi-disclosures@trendmicro.com (x_research-advisory, Vendor Advisory)
zdi-disclosures@trendmicro.com (vendor-advisory, Release Notes)

Frequently asked questions

What is CVE-2026-9787?: CVE-2026-9787 is a high-severity vulnerability in Quest Netvault Backup, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-06-25.
How severe is CVE-2026-9787?: High severity. CVSS v3 base score is 8.8 out of 10.