CVE-2026-86948 | BDVDB-2026-391972 Detail

AppleXcode

Description#

This issue was addressed by enforcing library validation on the affected binaries. This issue is fixed in Xcode 27. An app may be able to break out of its sandbox.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

CWE-693 Protection Mechanism Failure
CWE-284 Improper Access Control

References#

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

Exploit#

No public exploit known

History#

Version 12026-10-20Record published in the CVE List.
Version 22026-10-30Most recent update recorded in the CVE List.

Published

Published: 2026-10-20
Last modified: 2026-10-30

Vendor information

Vendor: Apple
Product: Xcode

All Apple vulnerabilities

Score

7.8 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 3.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Improper Access Control

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 27
Fixed
27

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.8 High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).