CVE-2026-28872: A remote attacker may be able to cause a denial-of-service in Apple iOS and iPadOS
A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.4 and iPadOS 26.4. A remote attacker may be able to cause a denial-of-service.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-28872) involves resource exhaustion due to insufficient input validation in Apple iOS and iPadOS. A remote attacker may trigger a denial-of-service condition by exploiting this flaw. Apple has fixed the issue in iOS and iPadOS versions 18.7.9 and 26.4 by improving input validation to prevent resource exhaustion. The CVSS 3.1 vector indicates the attack can be performed remotely with low complexity, no privileges, and no user interaction, impacting availability only.
Potential Impact
Successful exploitation results in denial-of-service, causing affected devices running vulnerable iOS or iPadOS versions to become unresponsive or crash. There is no impact on confidentiality or integrity. No known active exploitation has been reported.
Mitigation Recommendations
Update affected Apple devices to iOS or iPadOS versions 18.7.9 or 26.4 or later, where the vulnerability is fixed. Since this is an OS-level issue, applying the official Apple update is the recommended remediation. Patch status is confirmed by the vendor advisory stating the fix is included in these versions.
CVE-2026-28872: A remote attacker may be able to cause a denial-of-service in Apple iOS and iPadOS
Description
A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.4 and iPadOS 26.4. A remote attacker may be able to cause a denial-of-service.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-28872) involves resource exhaustion due to insufficient input validation in Apple iOS and iPadOS. A remote attacker may trigger a denial-of-service condition by exploiting this flaw. Apple has fixed the issue in iOS and iPadOS versions 18.7.9 and 26.4 by improving input validation to prevent resource exhaustion. The CVSS 3.1 vector indicates the attack can be performed remotely with low complexity, no privileges, and no user interaction, impacting availability only.
Potential Impact
Successful exploitation results in denial-of-service, causing affected devices running vulnerable iOS or iPadOS versions to become unresponsive or crash. There is no impact on confidentiality or integrity. No known active exploitation has been reported.
Mitigation Recommendations
Update affected Apple devices to iOS or iPadOS versions 18.7.9 or 26.4 or later, where the vulnerability is fixed. Since this is an OS-level issue, applying the official Apple update is the recommended remediation. Patch status is confirmed by the vendor advisory stating the fix is included in these versions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-03-03T16:36:03.974Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a02874ccbff5d86108b53aa
Added to database: 05/12/2026, 01:50:04 UTC
Last enriched: 05/19/2026, 10:29:47 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 96
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
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
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.