Vulnerability details
CVE-2026-84553
Apple macOS
CVSS 3.1
7.5High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Apple | macOS | v < 15.8 | CVEProject cvelistV5 (CNA) |
| Apple | macOS | v < 26.7 | CVEProject cvelistV5 (CNA) |
| Apple | macOS | v < 27 | CVEProject cvelistV5 (CNA) |
References and advisories
3
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Details
- Published
- 2026-09-15
- Last updated
- 2026-10-27
- State
- Published
- Assigner (CNA)
- apple
Exploit prediction (EPSS)
0.69%
Probability of exploitation in 30 days
53.3%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-400Uncontrolled Resource Consumption