CVE-2026-84581
HIGHCVSS 8.4/10EPSS 0.19%
Last modified
CVE-2026-84581 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. EPSS estimates a 0.19% chance of exploitation in the next 30 days.
Description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Macos | >= 15.0, < 15.8 |
| Apple | Macos | >= 26.0, < 26.7 |
References
- https://support.apple.com/en-us/149035Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149042Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149043Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-84581?
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.
How severe is CVE-2026-84581?
CVE-2026-84581 has a CVSS score of 8.4/10 (HIGH severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.
How do I fix CVE-2026-84581?
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-2026-84575An out-of-bounds write issue was addressed with improved bou…7.8
- CVE-2026-84576This issue was addressed with improved checks. This issue is…5.5
- CVE-2026-84577An access issue was addressed with additional sandbox restri…8.2
- CVE-2026-84578A logic issue was addressed with improved checks. This issue…8.8
- CVE-2026-8458libcurl might in some circumstances reuse the wrong connecti…6.5
- CVE-2026-84580The issue was addressed with improved checks. This issue is …8.4
- CVE-2026-84583A permissions issue was addressed with additional restrictio…5.5
- CVE-2026-84584This issue was addressed with improved handling of symlinks.…8.4
- CVE-2026-84585A permissions issue was addressed with improved state manage…5.5
- CVE-2026-84586An information disclosure issue was addressed with improved …5.5
- CVE-2026-84587A permissions issue was addressed with additional restrictio…5.5
- CVE-2026-84588A memory corruption issue was addressed by removing the vuln…6.5
Are you affected by CVE-2026-84581?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
