CVE-2026-26225 | BDVDB-2026-315299 Detail
IntegoPersonal Backup
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.
Impact#
Per CVSS v4.0: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.
Weaknesses#
- CWE-59 Improper Link Resolution Before File Access ('Link Following')
References#
- https://blog.quarkslab.com/intego_lpe_macos_1.html
- https://www.intego.com/
- https://www.intego.com/bootable-mac-backups
- https://integosupport.zendesk.com/hc/en-us/articles/40945636077467-Personal-Backup-X9-Release-Notes
- https://www.vulncheck.com/advisories/intego-personal-backup-task-file-privilege-escalation
Exploit#
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.