High 8.8Known exploited (CISA KEV)Published Sep 28, 2026

CVE-2026-86950An out-of-bounds write issue was addressed with improved bounds checking.

Updated under an hour ago (Oct 27, 2026, 9:23 PM ET)

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It affects Apple iOS and iPadOS and 3 other products. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Sep 29, 2026; federal agencies had to remediate by Oct 13, 2026. Treat that date as your deadline.

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Every CVE for Apple iOS and iPadOS

Exploited in the last 30 days

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.11 and iPadOS 18.7.11, iOS 26.7.1 and iPadOS 26.7.1, macOS Sequoia 15.8.1, macOS Tahoe 26.7.1. Processing a maliciously crafted file may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 27.

CVSS: 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-787
Known exploited: Added to CISA KEV Sep 29, 2026; federal remediation due Oct 13, 2026Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
EPSS (exploitation in the next 30 days): 26.17% (percentile 98)
Assigned by: apple
NVD analysis: Analyzed
Record last updated: Oct 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Apple iOS and iPadOS apple:ios_and_ipados (from the name)	before 18.7.11; before 26.7.1	CNA record
Apple macOS apple:macos (from the name)	before 15.8.1; before 26.7.1	CNA record
apple ipados apple:ipados	before 18.7.11; from 26.0 before 26.7.1	NVD
apple iphone_os apple:iphone_os	before 18.7.11; from 26.0 before 26.7.1	NVD
apple macos apple:macos	before 15.8.1; from 26.0 before 26.7.1	NVD

References

References

https://support.apple.com/en-us/149225	release-notes, vendor-advisory
https://support.apple.com/en-us/149226	release-notes, vendor-advisory
https://support.apple.com/en-us/149228	release-notes, vendor-advisory
https://support.apple.com/en-us/149229	release-notes, vendor-advisory
http://seclists.org/fulldisclosure/2026/Sep/89	mailing-list, third-party-advisory
http://seclists.org/fulldisclosure/2026/Sep/90	mailing-list, third-party-advisory
http://seclists.org/fulldisclosure/2026/Sep/91	mailing-list, third-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-86950	us-government-resource

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.