An out-of-bounds write issue was addressed with improved bounds checking. (CVE-2026-43761)
CVE-2026-43761 is an out-of-bounds write vulnerability in macOS that was addressed by improved bounds checking. The flaw could be triggered by mounting a malicious disk image, potentially causing unexpected system termination. The issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds write condition in macOS, which was remediated by enhancing bounds checking mechanisms. Exploitation requires mounting a specially crafted malicious disk image, which may lead to unexpected system termination. The vendor has released official fixes in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6 to address this issue.
Potential Impact
Successful exploitation of this vulnerability can cause unexpected system termination, which may disrupt normal operations. There is no indication of code execution or data compromise from the provided information.
Mitigation Recommendations
Apply the official patches by upgrading to macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, or macOS Tahoe 26.6. These updates contain the fix through improved bounds checking. No additional mitigation steps are indicated.
An out-of-bounds write issue was addressed with improved bounds checking. (CVE-2026-43761)
Description
CVE-2026-43761 is an out-of-bounds write vulnerability in macOS that was addressed by improved bounds checking. The flaw could be triggered by mounting a malicious disk image, potentially causing unexpected system termination. The issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds write condition in macOS, which was remediated by enhancing bounds checking mechanisms. Exploitation requires mounting a specially crafted malicious disk image, which may lead to unexpected system termination. The vendor has released official fixes in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6 to address this issue.
Potential Impact
Successful exploitation of this vulnerability can cause unexpected system termination, which may disrupt normal operations. There is no indication of code execution or data compromise from the provided information.
Mitigation Recommendations
Apply the official patches by upgrading to macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, or macOS Tahoe 26.6. These updates contain the fix through improved bounds checking. No additional mitigation steps are indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-3292-2mh3-665r
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-43761"]
- State
- PUBLISHED
Threat ID: 6aa8a1bd55bf5e2cf5f3e00e
Added to database: 09/15/2026, 01:39:09 UTC
Last enriched: 09/15/2026, 01:56:24 UTC
Last updated: 09/15/2026, 03:01:22 UTC
Views: 2
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