CVE-2026-43743
MEDIUMCVSS 4.7/10EPSS 0.10%
Last modified
CVE-2026-43743 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. A race condition was addressed with improved state handling. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, watchOS 26.6. EPSS estimates a 0.10% chance of exploitation in the next 30 days.
Description
A race condition was addressed with improved state handling. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 26.5.2 |
| Apple | Iphone Os | < 26.5.2 |
| Apple | Macos | >= 26.0, < 26.5.2 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-43743?
A race condition was addressed with improved state handling. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
How severe is CVE-2026-43743?
CVE-2026-43743 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.10% probability of exploitation in the next 30 days.
How do I fix CVE-2026-43743?
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-2026-43735The issue was addressed with improved checks. This issue is …8.1
- CVE-2026-43738The issue was addressed with improved memory handling. This …5.5
- CVE-2026-43739An out-of-bounds write issue was addressed with improved bou…5.5
- 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-2026-43744An 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-2026-43746A use-after-free issue was addressed with improved memory ma…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
Are you affected by CVE-2026-43743?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST