A use-after-free issue was addressed with improved memory management. (CVE-2026-64718)
CVE-2026-64718 is a use-after-free vulnerability in Safari and related Apple operating systems that was addressed by improved memory management. The flaw could cause Safari to crash when processing maliciously crafted web content. The issue is fixed in Safari 26.6 and corresponding OS versions 26.6 for iOS, iPadOS, macOS Tahoe, tvOS, visionOS, and watchOS.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in Safari and Apple OS platforms, which was mitigated by improved memory management techniques. Exploiting this flaw requires user interaction (UI:R) and local attack vector (AV:L). The vulnerability does not impact confidentiality or integrity but can cause denial of service by crashing Safari. The issue is resolved in Safari 26.6 and OS versions 26.6 across multiple Apple platforms.
Potential Impact
Successful exploitation leads to an unexpected crash of Safari, resulting in denial of service. There is no impact on confidentiality or integrity according to the CVSS vector.
Mitigation Recommendations
A fix is available in Safari 26.6 and OS versions 26.6 for iOS, iPadOS, macOS Tahoe, tvOS, visionOS, and watchOS. Users and administrators should update to these versions to remediate the vulnerability.
A use-after-free issue was addressed with improved memory management. (CVE-2026-64718)
Description
CVE-2026-64718 is a use-after-free vulnerability in Safari and related Apple operating systems that was addressed by improved memory management. The flaw could cause Safari to crash when processing maliciously crafted web content. The issue is fixed in Safari 26.6 and corresponding OS versions 26.6 for iOS, iPadOS, macOS Tahoe, tvOS, visionOS, and watchOS.
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in Safari and Apple OS platforms, which was mitigated by improved memory management techniques. Exploiting this flaw requires user interaction (UI:R) and local attack vector (AV:L). The vulnerability does not impact confidentiality or integrity but can cause denial of service by crashing Safari. The issue is resolved in Safari 26.6 and OS versions 26.6 across multiple Apple platforms.
Potential Impact
Successful exploitation leads to an unexpected crash of Safari, resulting in denial of service. There is no impact on confidentiality or integrity according to the CVSS vector.
Mitigation Recommendations
A fix is available in Safari 26.6 and OS versions 26.6 for iOS, iPadOS, macOS Tahoe, tvOS, visionOS, and watchOS. Users and administrators should update to these versions to remediate the vulnerability.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-88p9-qfjf-25c5
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-64718"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa8a1d655bf5e2cf5f3ea3b
Added to database: 09/15/2026, 01:39:34 UTC
Last enriched: 09/15/2026, 02:05:28 UTC
Last updated: 09/15/2026, 05:02:39 UTC
Views: 5
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.