Vulnerability · Published Oct 20, 2026 · Assigned by apple

CVE-2026-86875

Medium 4.3

In plain English

A medium-severity improper input validation in Xcode from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.3%top 79.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

An input validation issue was addressed with improved input validation. This issue is fixed in Xcode 27. Parsing a maliciously crafted binary may lead to unexpected app termination.

Affected products (as reported)

Vendor	Product	Versions
Apple	Xcode	0 – before 27

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

References

https://support.apple.com/en-us/149040