CVE-2026-86886: A path traversal issue was addressed with improved input validation
CVE-2026-86886 is a medium-severity flaw (CVSS 5.5) affecting ipados, iphone os, watchos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A path traversal issue was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, watchOS 27. An app may be able to modify protected system files.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 94%) |
| CISA exploited list | No |
| Weakness | CWE-22 |
| Published | 2026-09-14 |
| Last modified | 2026-09-18 |
Last updated 2026-09-18 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-86886?
ipados: upgrade to 26.7; iphone os: upgrade to 26.7; watchos: upgrade to 27.0. Exact commands for each OS are on this page.
Is CVE-2026-86886 being exploited?
CVE-2026-86886 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-86886 affect?
CVE-2026-86886 affects ipados, iphone os, watchos. Severity is medium (CVSS 5.5). A path traversal issue was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, watchOS 27. An app may be able to modify protected system files.
How urgent is CVE-2026-86886?
Priority 21/100. No elevated risk signals yet.
Software pages
iOS vulnerabilities · iPadOS vulnerabilities · watchOS vulnerabilities
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