CVE-2026-26225
CVE-2026-26225 is a high-severity vulnerability with a CVSS 4.0 base score of 8.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.
Key facts
- Severity: High (CVSS 4.0 base score 8.5)
- EPSS exploit prediction: 0% (8th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-6164
- Weakness: CWE-59
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-26225?
- 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.
- How severe is CVE-2026-26225?
- CVE-2026-26225 has a CVSS 4.0 base score of 8.5, rated high severity.
- Is CVE-2026-26225 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-26225?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-26225 have an EU (EUVD) identifier?
- Yes. CVE-2026-26225 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6164.
- When was CVE-2026-26225 published?
- CVE-2026-26225 was published on 2026-02-12 and last updated on 2026-06-17.
References
- https://blog.quarkslab.com/intego_lpe_macos_1.html
- https://integosupport.zendesk.com/hc/en-us/articles/40945636077467-Personal-Backup-X9-Release-Notes
- https://www.intego.com/
- https://www.intego.com/bootable-mac-backups
- https://www.vulncheck.com/advisories/intego-personal-backup-task-file-privilege-escalation
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