CVE-2026-43804
MEDIUMCVSS 6.5/10EPSS 0.16%
Last modified
CVE-2026-43804 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. This issue was addressed through improved state management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6. EPSS estimates a 0.16% chance of exploitation in the next 30 days.
Description
This issue was addressed through improved state management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6. Visiting a website may lead to an app denial-of-service.
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 | < 26.6 |
| Apple | Ipados | < 26.6 |
| Apple | Iphone Os | < 26.6 |
| Apple | Macos | >= 26.0, < 26.6 |
| Apple | Visionos | < 26.6 |
References
- https://support.apple.com/en-us/128066Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128067Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128070Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128073Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-43804?
This issue was addressed through improved state management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6. Visiting a website may lead to an app denial-of-service.
How severe is CVE-2026-43804?
CVE-2026-43804 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.
How do I fix CVE-2026-43804?
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-2026-43797This issue was addressed with improved checks. This issue is…5.5
- CVE-2026-43799A use after free issue was addressed with improved memory ma…9.8
- CVE-2026-43800An information disclosure issue was addressed by removing th…5.5
- CVE-2026-43801This issue was addressed with improved checks. This issue is…5.5
- CVE-2026-43802An out-of-bounds write issue was addressed with improved bou…9.8
- CVE-2026-43803An out-of-bounds write issue was addressed with improved bou…9.8
- CVE-2026-43805A race condition was addressed with improved state handling.…9.8
- CVE-2026-43806A denial of service issue was addressed by removing the vuln…5.5
- CVE-2026-43807A buffer overflow was addressed with improved bounds checkin…9.8
- CVE-2026-43809An out-of-bounds read was addressed with improved bounds che…9.8
- CVE-2026-43810The issue was addressed with improved memory handling. This …9.8
- CVE-2026-43811A race condition was addressed with improved checks. This is…4.7
Are you affected by CVE-2026-43804?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST