CVE-2026-77552
CriticalA malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Enterprise Audio/Video Bridge to execute a Command Injection on the device.
Published Aug 26, 2026 · Updated Aug 28, 2026 · Also known as EUVD-2026-66401, GHSA-wv3m-p56q-v92r
Key Facts
Patch in the next maintenance window- CVE-2026-77552 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting UniFi Enterprise Audio/Video Bridge.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 1.6% probability of exploitation in the next 30 days.
- Fixed versions are available, including UniFi Enterprise Audio/Video Bridge 1.0.11.
- Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
1.6%
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2026-77552 brief as a PDF
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Description
A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Enterprise Audio/Video Bridge to execute a Command Injection on the device.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| UniFi Enterprise Audio/Video Bridge | See advisory | 1.0.11 |
Patched Releases
UniFi Enterprise Audio/Video Bridge
1.0.11
Timeline
Publicly disclosed
Aug 26, 2026
Last updated
Aug 28, 2026
Weakness Type
- CWE-20 Improper Input Validation
References
FAQ
Common Questions.
A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Enterprise Audio/Video Bridge to execute a Command Injection on the device.
Affected: UniFi Enterprise Audio/Video Bridge. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including UniFi Enterprise Audio/Video Bridge 1.0.11.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
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