CVEvulnerability

CVE-2026-19820

7.8 HIGH Published 2026-09-01 Modified 2026-09-11 Official page ↗
Status
Deferred
Published
2026-09-01
Last modified
2026-09-11
Assigner
4ac701fe-44e9-4bcd-9585-dd6449257611
CVSS 4.0 (4ac701fe-44e9-4bcd-9585-dd6449257611)
7.8 HIGH — CVSS:4.0/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
Weaknesses
CWE-59

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.

Related

Weakness · CWE (1)

  • CWE-59 Improper Link Resolution Before File Access weakness

References