CVE-2026-43779
CRITICALCVSS 9.8/10EPSS 0.16%
Last modified
CVE-2026-43779 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A logic issue was addressed with improved restrictions. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. EPSS estimates a 0.16% chance of exploitation in the next 30 days.
Description
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to intercept network connections intended for another process.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Macos | >= 14.0, < 14.8.8 |
| Apple | Macos | >= 15.0, < 15.7.8 |
| Apple | Macos | >= 26.0, < 26.6 |
References
- https://support.apple.com/en-us/128067Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128071Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128072Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-43779?
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to intercept network connections intended for another process.
How severe is CVE-2026-43779?
CVE-2026-43779 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.
How do I fix CVE-2026-43779?
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
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- 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-2026-43773An out-of-bounds read was addressed with improved bounds che…9.8
- CVE-2026-43774An out-of-bounds read was addressed with improved bounds che…5.5
- CVE-2026-43775An authorization issue was addressed with improved state man…5.5
- CVE-2026-43776A buffer overflow was addressed with improved bounds checkin…7.8
- CVE-2026-43777This issue was addressed with improved input validation. Thi…7.5
- CVE-2026-43778A use after free issue was addressed with improved memory ma…9.8
- CVE-2026-43780An integer overflow was addressed with improved input valida…7.8
- CVE-2026-43781A race condition was addressed with improved state handling.…4.7
- CVE-2026-43782This issue was addressed with improved checks. This issue is…5.5
- CVE-2026-4379The LightPress Lightbox plugin for WordPress is vulnerable t…6.4
- CVE-2026-43792An authorization issue was addressed with improved state man…6.5
- CVE-2026-43793An issue existed in the handling of environment variables. T…9.8
Are you affected by CVE-2026-43779?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
