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CVE-2026-26225— Intego Personal Backup Task File Privilege Escalation

Quick assessment

Affected
Intego Personal Backup
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Intego Personal Backup是Intego公司的一个备份工具。 Intego Personal Backup存在后置链接漏洞，该漏洞源于备份任务定义存储在非特权用户可写的位置，但以提升的权限进行处理，可能导致本地攻击者通过特制的序列化任务文件触发任意文件写入和权限提升。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.17% · P5

Affected Version Matrix 1

VendorProduct Version RangeStatus
Intego Personal Backup ≤ 10.9.0 affected
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I. Basic Information for CVE-2026-26225

Vulnerability Information
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Vulnerability Title
Intego Personal Backup Task File Privilege Escalation
Source: CVE Program / CVE List V5
Vulnerability Description
Intego Personal Backup, a macOS backup utility that allows users to create scheduled backups and bootable system clones, contains a local privilege escalation vulnerability. Backup task definitions are stored in a location writable by non-privileged users while being processed with elevated privileges. By crafting a malicious serialized task file, a local attacker can trigger arbitrary file writes to sensitive system locations, leading to privilege escalation to root.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
Intego Personal Backup 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Intego Personal Backup是Intego公司的一个备份工具。 Intego Personal Backup存在后置链接漏洞，该漏洞源于备份任务定义存储在非特权用户可写的位置，但以提升的权限进行处理，可能导致本地攻击者通过特制的序列化任务文件触发任意文件写入和权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Intego Personal Backup 0 ~ 10.9.0 -

II. Public POCs for CVE-2026-26225

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III. Intelligence Information for CVE-2026-26225

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Security Blog Posts for CVE-2026-26225 (1)

IV. Related Vulnerabilities

Same vendor: Intego
Same weakness: CWE-59

V. Comments for CVE-2026-26225

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