CVE-2026-92761 WebVirtCloud - Broken Access Control

WebVirtCloud contains a broken access control caused by improper validation of permission flags in UserInstance grants, letting attackers with read-only grants perform privileged actions, exploit requires attacker to have read-only grants.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.61% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Broken Access Control
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
16 September 2026
Updated
15 October 2026
Weakness
CWE-862

Vendor fix

Update to the latest version with proper permission validation.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs