CVE-2026-19820 | BDVDB-2026-366804 Detail

Description#

A vulnerability in the Backblaze Client allows a local user to make the system not bootable by creating a link from Backblaze's folder to Windows OS system files during a backup. Successful exploitation requires an administrator-level system change that results in the absence of specific Windows OS security controls. This vulnerability is due to improper link resolution.

Impact#

Weaknesses#

References#

Exploit#

History#

1. Version 12026-09-01Record published in the CVE List.
2. Version 22026-09-10Most recent update recorded in the CVE List.