Skip to main content

CVE-2026-86918: Processing a maliciously crafted image may lead to unexpected app termination in Apple iOS and iPadOS

0
Medium
VulnerabilityCVE-2026-86918cvecve-2026-86918
Published: 10/20/2026 (10/20/2026, 00:50:51 UTC)
Source: CVE Database V5
Vendor/Project: Apple
Product: iOS and iPadOS

Description

CVE-2026-86918 is an out-of-bounds write vulnerability in Apple iOS and iPadOS that occurs when processing a maliciously crafted image. This flaw may cause unexpected app termination. The issue has been addressed with improved bounds checking and fixed in iOS 27 and iPadOS 27.

Affected software

Apple

iOS and iPadOS

Affected versions
>=0 <27

Apple

macOS

Affected versions
>=0 <27

Apple

tvOS

Affected versions
>=0 <27

Apple

visionOS

Affected versions
>=0 <27

Apple

watchOS

Affected versions
>=0 <27

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/20/2026, 01:48:53 UTC

Technical Analysis

This vulnerability involves an out-of-bounds write caused by improper bounds checking when processing specially crafted images on Apple iOS and iPadOS devices. Exploiting this flaw can lead to unexpected termination of affected applications. Apple resolved the issue by enhancing bounds checking mechanisms. The fix is included in iOS 27 and iPadOS 27 releases.

Potential Impact

Successful exploitation of this vulnerability may cause affected applications to terminate unexpectedly, potentially disrupting user experience or application availability. There is no indication of code execution or data corruption beyond app termination in the provided data.

Mitigation Recommendations

Apply the official update to iOS 27 or later and iPadOS 27 or later, which contain the fix for this vulnerability. Users and administrators should ensure devices are updated to these versions to mitigate the risk.

Pro Console: star threats, build custom feeds, automate alerts via Slack, email & webhooks.Upgrade to Pro

Technical Details

Data Version
5.2
Assigner Short Name
apple
Date Reserved
2026-09-08T16:43:41.876Z
State
PUBLISHED

Threat ID: 6ad6c19b2cdf04f656e4a8b2

Added to database: 10/20/2026, 01:19:23 UTC

Last enriched: 10/20/2026, 01:48:53 UTC

Last updated: 10/20/2026, 01:48:53 UTC

Views: 4

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

PRO

Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses