PT-2026-84060 · Backblaze · Backblaze Client
CVSS v4.0
7.8
High
| Vector | AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Name of the Vulnerable Software and Affected Versions
Backblaze Client (affected versions not specified)
Description
An issue exists where a local user can render a system unbootable by creating a link from the Backblaze folder to Windows OS system files during a backup process. This occurs due to improper link resolution. Successful exploitation requires an administrator-level system change that removes specific Windows OS security controls.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Link Following
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Weakness Enumeration
Related Identifiers
Affected Products
Backblaze Client