CVE-2026-43788: Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents in Apple macOS
An integer overflow vulnerability in Apple macOS allows processing of a maliciously crafted file to cause denial-of-service or potentially disclose memory contents. The issue has been fixed in macOS Golden Gate 27. Versions prior to 27 are affected.
AI Analysis
Technical Summary
CVE-2026-43788 is an integer overflow vulnerability in Apple macOS that could be triggered by processing a specially crafted file. This flaw may lead to denial-of-service conditions or unintended disclosure of memory contents. Apple addressed the issue by improving input validation and fixed it in macOS Golden Gate 27.
Potential Impact
Successful exploitation of this vulnerability could cause the affected system to crash (denial-of-service) or leak sensitive memory information, potentially exposing confidential data. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Apply the official fix by upgrading to macOS Golden Gate 27 or later. This update includes improved input validation that resolves the integer overflow vulnerability.
CVE-2026-43788: Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents in Apple macOS
Description
An integer overflow vulnerability in Apple macOS allows processing of a maliciously crafted file to cause denial-of-service or potentially disclose memory contents. The issue has been fixed in macOS Golden Gate 27. Versions prior to 27 are affected.
Affected software
Apple
macOS
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-43788 is an integer overflow vulnerability in Apple macOS that could be triggered by processing a specially crafted file. This flaw may lead to denial-of-service conditions or unintended disclosure of memory contents. Apple addressed the issue by improving input validation and fixed it in macOS Golden Gate 27.
Potential Impact
Successful exploitation of this vulnerability could cause the affected system to crash (denial-of-service) or leak sensitive memory information, potentially exposing confidential data. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Apply the official fix by upgrading to macOS Golden Gate 27 or later. This update includes improved input validation that resolves the integer overflow vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:27.819Z
- State
- PUBLISHED
Threat ID: 6aa860f555bf5e2cf59d23b0
Added to database: 09/14/2026, 21:02:45 UTC
Last enriched: 09/14/2026, 22:24:37 UTC
Last updated: 09/15/2026, 05:01:22 UTC
Views: 3
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