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CVE-2026-19820

Backblaze Client for Windows Improper Link Resolution Vulnerability PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Backblaze / Backblaze Clientaffected 10.0.0.1029; affected 10.0.1.1037; affected 10.0.2.1047

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.