CVE-2026-21666

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 12, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-216678.8A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.CVE-2026-216686.5A vulnerability allowing an authenticated domain user to bypass restrictions and manipulate arbitrary files on a Backup Repository.CVE-2026-216699.9A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.CVE-2026-21678.8A vulnerability was detected in Totolink WA300 5.2cu.7112_B20190227. The impacted element is the function setAPNetwork of the file /cgi-bin/CVE-2026-216706.5A vulnerability allowing a low-privileged user to extract saved SSH credentials.CVE-2026-216719.1A vulnerability allowing an authenticated user with the Backup Administrator role to perform remote code execution (RCE) in high availabilitCVE-2026-216728.8A vulnerability allowing local privilege escalation on Windows-based Veeam Backup & Replication servers.CVE-2026-216737.8iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have overflows and undCVE-2026-216745.5iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below contain a memory leak CVE-2026-216759.8iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below contain a Use After FrCVE-2026-216768.8iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have a Heap-based BuffCVE-2026-216778.8iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have Undefined Behavio
CVE-2026-21666: High severity, CVSS 8.8 | Vulnix