An out-of-bounds read was addressed with improved bounds checking. (CVE-2026-43683)
An out-of-bounds read vulnerability in macOS was addressed by improving bounds checking. This flaw could allow an application to cause unexpected process termination or disclose process memory. The issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
AI Analysis
Technical Summary
CVE-2026-43683 describes an out-of-bounds read vulnerability that was mitigated by improved bounds checking in macOS. Exploitation of this vulnerability may lead to an application causing unexpected termination of processes or disclosing process memory. The vendor has fixed this issue in specific macOS versions: Golden Gate 27, Sequoia 15.8, and Tahoe 26.7.
Potential Impact
An attacker who exploits this vulnerability could cause an application to crash unexpectedly or potentially access sensitive process memory, which may lead to information disclosure. There is no indication of active exploitation in the wild.
Mitigation Recommendations
Apply the official fixes by updating to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7. These versions contain the improved bounds checking that addresses the out-of-bounds read vulnerability.
An out-of-bounds read was addressed with improved bounds checking. (CVE-2026-43683)
Description
An out-of-bounds read vulnerability in macOS was addressed by improving bounds checking. This flaw could allow an application to cause unexpected process termination or disclose process memory. The issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-43683 describes an out-of-bounds read vulnerability that was mitigated by improved bounds checking in macOS. Exploitation of this vulnerability may lead to an application causing unexpected termination of processes or disclosing process memory. The vendor has fixed this issue in specific macOS versions: Golden Gate 27, Sequoia 15.8, and Tahoe 26.7.
Potential Impact
An attacker who exploits this vulnerability could cause an application to crash unexpectedly or potentially access sensitive process memory, which may lead to information disclosure. There is no indication of active exploitation in the wild.
Mitigation Recommendations
Apply the official fixes by updating to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7. These versions contain the improved bounds checking that addresses the out-of-bounds read vulnerability.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-98q7-9rq8-m6v3
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-43683"]
- State
- PUBLISHED
Threat ID: 6aa8a1c155bf5e2cf5f3e025
Added to database: 09/15/2026, 01:39:13 UTC
Last enriched: 09/15/2026, 01:57:16 UTC
Last updated: 09/15/2026, 03:01:22 UTC
Views: 2
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