High severityNVD Advisory· Published Sep 1, 2026
CVE-2026-19820
CVE-2026-19820
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.
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Affected products
1Patches
Vulnerability mechanics
References
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