Vulnerability · Published Oct 26, 2026 · Assigned by apple
CVE-2026-86877
Medium 6.2
In plain English
A medium-severity path traversal in macOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
Severity (CVSS 3.1)6.2Medium
Exploit odds (30 days)0.1%top 96.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A path traversal issue was addressed with improved path validation. This issue is fixed in macOS Golden Gate 27. A malicious app may be able to delete files for which it does not have privileges.
Affected products (as reported)
Weakness: CWE-22 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N