CVE-2026-43746
MEDIUMCVSS 6.5/10EPSS 0.20%
Last modified
CVE-2026-43746 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. EPSS estimates a 0.20% chance of exploitation in the next 30 days.
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected Safari crash.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 26.5.2 |
| Apple | Ipados | < 26.5.2 |
| Apple | Iphone Os | < 26.5.2 |
| Apple | Macos | >= 26.0, < 26.5.2 |
References
- https://support.apple.com/en-us/127594Vendor Advisory
- https://support.apple.com/en-us/127595Vendor Advisory
- https://support.apple.com/en-us/127685Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-43746?
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected Safari crash.
How severe is CVE-2026-43746?
CVE-2026-43746 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.
How do I fix CVE-2026-43746?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-4374Improper Restriction of XML External Entity Reference vulner…9.1
- CVE-2026-43740The issue was addressed with improved memory handling. This …6.5
- CVE-2026-43742A use-after-free issue was addressed with improved memory ma…6.5
- CVE-2026-43743A race condition was addressed with improved state handling.…4.7
- CVE-2026-43744An out-of-bounds write issue was addressed with improved bou…5.5
- CVE-2026-43745An out-of-bounds write issue was addressed with improved inp…6.5
- CVE-2026-43747An out-of-bounds read was addressed with improved bounds che…7.1
- CVE-2026-43748An out-of-bounds write issue was addressed with improved bou…9.8
- CVE-2026-43749A parsing issue in the handling of directory paths was addre…7.8
- CVE-2026-4375The DoLeads Integrator WordPress plugin through 0.65, wp2epu…9
- CVE-2026-43750A buffer overflow was addressed with improved bounds checkin…9.8
- CVE-2026-43752An authenticated administrator may be able to achieve arbitr…4.9
Are you affected by CVE-2026-43746?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
