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CVE-2026-86950

Apple Multiple Products Out-of-Bounds Write

8.8 HIGHActively exploited (CISA KEV)EPSS 1.24%
  1. Published28 Sept 2026
  2. Added to CISA KEV29 Sept 2026
  3. Remediation due13 Oct 2026
Actively exploited (CISA KEV)

Apple iOS, macOS, and iPadOS contain an out-of-bounds write vulnerability in CoreGraphics that may lead to arbitrary code execution.

Added to KEV: 29 Sept 2026Federal remediation due: 13 Oct 2026

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in 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 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Apple iPadOS< 26.7.1
Apple iPhone OS< 26.7.1
Apple macOS≥ 26.0 < 26.7.1 · < 15.8.1

Remediation

Fixed in
Apple iPadOS≥ 26.7.1
Apple iPhone OS≥ 26.7.1
Apple macOS≥ 26.7.1

References

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Frequently asked

Is CVE-2026-86950 being actively exploited?

Yes. CVE-2026-86950 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 29 Sept 2026.

How severe is CVE-2026-86950?

CVE-2026-86950 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 1.24% probability of exploitation.

Which products are affected by CVE-2026-86950?

Affected products include Apple iPadOS, Apple iPhone OS, Apple macOS.

How do I fix CVE-2026-86950?

Upgrade affected software to a fixed version, for example Apple iPadOS 26.7.1, Apple iPhone OS 26.7.1, Apple macOS 26.7.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-86950 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.