CVE-2026-86950: Apple Multiple Products (High, CVSS 8.8)
- CVSS
- 8.8 High (v3.1)
- EPSS
- 26.2% chance of exploitation in the next 30 days (higher than 97.9% of CVEs)
- Exploited in the wild
- Yes, on CISA’s KEV list since Sep 29, 2026
- Public exploit
- Yes, reported in 7 GitHub repositories
- Weakness
- CWE-787
- Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Published
- Sep 28, 2026
- CISA fix-by date
- Oct 13, 2026 (for US federal agencies)
What it is
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.
Description from the National Vulnerability Database.
What to do
CISA: Apply 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
Check whether you run Apple Multiple Products, then apply the vendor’s fix or mitigation from the advisories below. Because this flaw is exploited or has public exploit code, treat it as urgent and check for signs of compromise, not just the patch level.
Advisories and fixes
- support.apple.com
- support.apple.com
- support.apple.com
- support.apple.com
- seclists.org
- seclists.org
- seclists.org
- www.cisa.gov
ThreatRoundup coverage
Apple Brings Its Exploited CoreGraphics Fix to Older iPhones
Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.