CVE-2026-84547: An attacker in physical proximity may be able to corrupt process memory in Apple macOS
Description
CVE-2026-84547 is a memory corruption vulnerability in Apple macOS that could allow an attacker in physical proximity to corrupt process memory. The issue was addressed by improved input validation and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Affected software
Apple
macOS
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a memory corruption flaw in Apple macOS that could be exploited by an attacker with physical proximity to corrupt process memory. The flaw was mitigated by improved input validation. The issue is resolved in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Potential Impact
An attacker physically near the affected system may be able to corrupt process memory, potentially leading to instability or unauthorized code execution depending on the context. No known exploits are reported in the wild.
Mitigation Recommendations
Apply the official fixes by updating macOS to Golden Gate 27, Sequoia 15.8, or Tahoe 26.7 or later versions. These updates contain the improved input validation that addresses the memory corruption issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.751Z
- State
- PUBLISHED
Threat ID: 6ad6c1992cdf04f656e4957e
Added to database: 10/20/2026, 01:19:21 UTC
Last enriched: 10/20/2026, 02:04:16 UTC
Last updated: 10/20/2026, 02:08:17 UTC
Views: 7
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