CVE-2026-86871Published

An integer underflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An attacker with control of a network file server may be able to cause unexpected system t…

Exact source revision recorded 26 Oct 2026 21:35:30 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-86871

Published

macOS

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Apple",
                    "product": "macOS",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThan": "15.8",
                            "versionType": "custom"
                        },
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThan": "26.7",
                            "versionType": "custom"
                        },
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThan": "27",
                            "versionType": "custom"
                        }
                    ]
                }