This issue was addressed by removing the vulnerable code. This issue is fixed in Safari 27.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, visionOS 27.2. A remote attacker may be able to break out of Web Content sandbox.

{
                    "vendor": "Apple",
                    "product": "Safari",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThan": "27.2",
                            "versionType": "custom"
                        }
                    ]
                }

{
                    "vendor": "Apple",
                    "product": "iOS and iPadOS",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThan": "27.2",
                            "versionType": "custom"
                        }
                    ]
                }

{
                    "vendor": "Apple",
                    "product": "macOS",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThan": "27.2",
                            "versionType": "custom"
                        }
                    ]
                }

{
                    "vendor": "Apple",
                    "product": "visionOS",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThan": "27.2",
                            "versionType": "custom"
                        }
                    ]
                }