VulnSocial

CVE-2026-45266Disclosure

LOWCVSS 3.5 · LOW

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-284

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-06-01: 1Technical Details · 2026-06-01: 106-01
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-45266 Low-Privileged User Microphone Muting in Nextcloud Before 23.0.3 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-45266

    Post summary

    A low-privilege user microphone muting vulnerability in Nextcloud (versions before 23.0.3) has been disclosed under CVE-2026-45266, as indicated by the title and CVE reference.

    0001043
    4.0K followersView on X

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