CVE-2026-65396
MEDIUMCVSS 5.5/10EPSS 0.17%
Last modified
CVE-2026-65396 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. EPSS estimates a 0.17% chance of exploitation in the next 30 days.
Description
A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Macos | < 15.8 |
| Apple | Macos | >= 26.0, < 26.7 |
References
- https://support.apple.com/en-us/149035Vendor Advisory, Release Notes
- https://support.apple.com/en-us/149042Vendor Advisory, Release Notes
- https://support.apple.com/en-us/149043Vendor Advisory, Release Notes
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-65396?
A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.
How severe is CVE-2026-65396?
CVE-2026-65396 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2026-65396?
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-2026-6539Notepad++ 8.9.3 contains a format string injection vulnerabi…4.6
- CVE-2026-65390An integer overflow was addressed with improved input valida…8.8
- CVE-2026-65391An out-of-bounds write issue was addressed with improved bou…8.8
- CVE-2026-65392A permissions issue was addressed with additional restrictio…4.4
- CVE-2026-65393A permissions issue was addressed with improved validation. …5.5
- CVE-2026-65395An out-of-bounds write issue was addressed with improved bou…6.5
- CVE-2026-65397An authorization issue was addressed with improved state man…5.5
- CVE-2026-65398An out-of-bounds access issue was addressed with improved bo…7.8
- CVE-2026-65399A file quarantine bypass was addressed with additional check…4.4
- CVE-2026-6540Calico's Application Layer Policy (disabled by default), whi…7.5
- CVE-2026-65400An authentication issue was addressed with improved state ma…9.8
- CVE-2026-65401A race condition was addressed with improved state handling.…5.5
Are you affected by CVE-2026-65396?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
