CVE-2026-45266

LOW CVSS 3.1: 3.5 EPSS 0.20%
Updated Jul 22, 2026
Nextcloud
Parameter Value
CVSS 3.5 (LOW)
Type CWE-284 (Improper Access Control)
Vendor Nextcloud
Public PoC No

Nextcloud is an open source content collaboration platform. Prior to versions 21.1.10, 22.0.11, and 23.0.3, a low-privileged user can force other user's microphones to be muted in calls when no High-performance Backend is installed. This issue has been patched in versions 21.1.10, 22.0.11, and 23.0.3.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1