What’s Vulnerable › Vulnerabilities

CVE-2026-86874

• Severity: low (CVSS 3.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-20 · updated 2026-10-29
• Weakness: CWE-125

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in Xcode 27. Parsing a maliciously crafted binary may lead to unexpected tool termination.

Affected products

• Apple Xcode: before 27.0 — fixed in 27.0
• Apple Xcode: before 27 — fixed in 27

How to fix

Upgrade to a fixed version: Apple Xcode 27.0; Apple Xcode 27. Check the vendor advisory for mitigations.

References

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

Get alerted when CVE-2026-86874 or the next vulnerability affects your stack