CVE-2026-84553
HIGHCVSS 7.5/10EPSS 0.53%
Last modified
CVE-2026-84553 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A resource exhaustion issue was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. EPSS estimates a 0.53% chance of exploitation in the next 30 days.
Description
A resource exhaustion issue was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. A remote attacker may be able to cause a denial-of-service.
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-2026-84553?
A resource exhaustion issue was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. A remote attacker may be able to cause a denial-of-service.
How severe is CVE-2026-84553?
CVE-2026-84553 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.
How do I fix CVE-2026-84553?
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-2026-84546An out-of-bounds write issue was addressed with improved bou…8.4
- CVE-2026-84548An integer overflow was addressed with improved input valida…7.1
- CVE-2026-84549An out-of-bounds read was addressed with improved bounds che…7.5
- CVE-2026-84550A race condition was addressed with additional validation. T…4.7
- CVE-2026-84551A logic issue was addressed with improved validation. This i…4.4
- CVE-2026-84552The issue was addressed with improved memory handling. This …5.5
- CVE-2026-84554An integer overflow was addressed with improved input valida…5.9
- CVE-2026-84555An authorization issue was addressed with improved access co…5.5
- CVE-2026-84556An authorization issue was addressed with improved access co…5.5
- CVE-2026-84558A double free issue was addressed with improved memory manag…5.5
- CVE-2026-84559A permissions issue was addressed with improved validation. …5.5
- CVE-2026-84560An authorization issue was addressed with improved state man…6.1
Are you affected by CVE-2026-84553?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
