High 8.8Published Oct 19, 2026

CVE-2026-86919A stack overflow was addressed with improved input validation.

Updated under an hour ago (Oct 27, 2026, 9:30 PM ET)

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It affects Apple iOS and iPadOS and 2 other products. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.39%, higher than 33% of scored CVEs.

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Exploited in the last 30 days

A stack overflow was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27. An attacker with a paired Bluetooth device may be able to execute arbitrary code.

CVSS: 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-121
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.39% (percentile 33)
Assigned by: apple
NVD analysis: Awaiting Analysis
Record last updated: Oct 26, 2026
First seen by InfoSec Signals: Oct 19, 2026

Affected products

Affected products

Apple iOS and iPadOS apple:ios_and_ipados (from the name)	before 26.7; before 27	CNA record
Apple macOS apple:macos (from the name)	before 15.8; before 26.7; before 27	CNA record
Apple visionOS apple:visionos (from the name)	before 27	CNA record

References

References

https://support.apple.com/en-us/149034
https://support.apple.com/en-us/149035
https://support.apple.com/en-us/149038
https://support.apple.com/en-us/149041
https://support.apple.com/en-us/149042
https://support.apple.com/en-us/149043

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.