CVE-2026-86874

Out‑of‑Bounds Read During Xcode Binary Parsing Leading to Application Crash

Published Oct 20, 2026 CVSS 3.1 · 3.3 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
References
History
Type Values Removed Values Added
CPEs cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title Out‑of‑Bounds Read During Xcode Binary Parsing Leading to Application Crash
Type Values Removed Values Added
Title Out‑of‑Bounds Read in Xcode Binary Parsing Leads to Tool Termination
Weaknesses CWE-119
Type Values Removed Values Added
Weaknesses CWE-125
Metrics cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Out‑of‑Bounds Read in Xcode Binary Parsing Leads to Tool Termination
Weaknesses CWE-119
Type Values Removed Values Added
First Time appeared Apple
Apple xcode
Vendors & Products Apple
Apple xcode
Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Oct 20, 2026, 2:30 PM
Reserved
Sep 8, 2026, 4:43 PM
Status
Analyzed
Published
Oct 20, 2026, 1:17 AM
Modified
Oct 29, 2026, 3:55 PM