CVE-2026-64780: Processing maliciously crafted web content may lead to an unexpected Safari crash in Apple Safari
The issue was addressed with improved checks. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash.
AI Analysis
Technical Summary
CVE-2026-64780 is a medium severity vulnerability in Apple Safari where processing maliciously crafted web content may lead to an unexpected crash of the browser. The issue was resolved by Apple through improved input validation and checks. The vulnerability affects Safari versions prior to 26.6.1 on various Apple operating systems including iOS, iPadOS, macOS Tahoe, and visionOS. No confidentiality or integrity impact is reported, only availability is affected due to the crash.
Potential Impact
The vulnerability causes an unexpected crash of Safari when processing specially crafted web content, resulting in a denial of service condition. There is no indication of confidentiality or integrity compromise. No known exploits are reported in the wild.
Mitigation Recommendations
Apple has released official fixes for this vulnerability in Safari 26.6.1, iOS 18.7.10, iPadOS 18.7.10, macOS Tahoe 26.6.2, and visionOS 27. Users and administrators should update affected systems to these versions to remediate the issue.
CVE-2026-64780: Processing maliciously crafted web content may lead to an unexpected Safari crash in Apple Safari
Description
The issue was addressed with improved checks. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash.
CVSS v3.1
Score 4.3medium
Affected software
Apple
Safari
Apple
iOS and iPadOS
Apple
macOS
Apple
visionOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-64780 is a medium severity vulnerability in Apple Safari where processing maliciously crafted web content may lead to an unexpected crash of the browser. The issue was resolved by Apple through improved input validation and checks. The vulnerability affects Safari versions prior to 26.6.1 on various Apple operating systems including iOS, iPadOS, macOS Tahoe, and visionOS. No confidentiality or integrity impact is reported, only availability is affected due to the crash.
Potential Impact
The vulnerability causes an unexpected crash of Safari when processing specially crafted web content, resulting in a denial of service condition. There is no indication of confidentiality or integrity compromise. No known exploits are reported in the wild.
Mitigation Recommendations
Apple has released official fixes for this vulnerability in Safari 26.6.1, iOS 18.7.10, iPadOS 18.7.10, macOS Tahoe 26.6.2, and visionOS 27. Users and administrators should update affected systems to these versions to remediate the issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-07-20T18:10:53.026Z
- State
- PUBLISHED
Threat ID: 6a838034bf8831d5399e5dff
Added to database: 08/17/2026, 21:42:12 UTC
Last enriched: 09/19/2026, 00:51:25 UTC
Last updated: 10/02/2026, 02:57:40 UTC
Views: 46
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.