A use-after-free issue was addressed with improved memory management. (CVE-2026-43699)
CVE-2026-43699 is a use-after-free vulnerability in Safari and related Apple operating systems that was addressed by improved memory management. The flaw could cause an unexpected process crash when processing maliciously crafted web content. The issue is fixed in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2. No evidence of exploitation in the wild has been reported.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-43699) involves a use-after-free condition in Safari and Apple OS platforms, which was remediated by improved memory management techniques. The flaw could be triggered by malicious web content leading to process crashes. The vendor has released fixes in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2 to address this issue. The CVSS v3.1 score is 6.5, reflecting a medium severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impact limited to availability.
Potential Impact
Successful exploitation results in an unexpected process crash, causing denial of service. There is no reported impact on confidentiality or integrity. The vulnerability requires user interaction and can be triggered remotely via network. No known active exploits have been observed.
Mitigation Recommendations
Apply the official patches by updating to Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2. These updates contain the fix through improved memory management. No additional mitigation is indicated by the vendor advisory.
A use-after-free issue was addressed with improved memory management. (CVE-2026-43699)
Description
CVE-2026-43699 is a use-after-free vulnerability in Safari and related Apple operating systems that was addressed by improved memory management. The flaw could cause an unexpected process crash when processing maliciously crafted web content. The issue is fixed in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2. No evidence of exploitation in the wild has been reported.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-43699) involves a use-after-free condition in Safari and Apple OS platforms, which was remediated by improved memory management techniques. The flaw could be triggered by malicious web content leading to process crashes. The vendor has released fixes in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2 to address this issue. The CVSS v3.1 score is 6.5, reflecting a medium severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impact limited to availability.
Potential Impact
Successful exploitation results in an unexpected process crash, causing denial of service. There is no reported impact on confidentiality or integrity. The vulnerability requires user interaction and can be triggered remotely via network. No known active exploits have been observed.
Mitigation Recommendations
Apply the official patches by updating to Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2. These updates contain the fix through improved memory management. No additional mitigation is indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-v8m2-c626-7f74
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-43699"]
- Ecosystems
- []
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6a83aa80bf8831d539e33049
Added to database: 08/18/2026, 00:42:40 UTC
Last enriched: 08/18/2026, 00:57:31 UTC
Last updated: 08/18/2026, 01:52:09 UTC
Views: 3
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.