CVE-2026-84548: Processing a maliciously crafted document may lead to an out-of-bounds read in Apple macOS
An integer overflow vulnerability in Apple macOS was addressed by improved input validation. This flaw could allow processing of a maliciously crafted document to trigger an out-of-bounds read. The issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Versions prior to these releases are affected.
AI Analysis
Technical Summary
CVE-2026-84548 is an integer overflow vulnerability in Apple macOS that may lead to an out-of-bounds read when processing a maliciously crafted document. The vulnerability was mitigated by improved input validation. The affected versions include all versions prior to macOS Sequoia 15.8, macOS Tahoe 26.7, and macOS Golden Gate 27. This vulnerability could potentially cause memory safety issues but no CVSS score or exploit details are provided.
Potential Impact
The vulnerability allows an out-of-bounds read which could lead to application crashes or potential information disclosure depending on the context of the memory read. There is no evidence of active exploitation in the wild. The impact is limited to affected macOS versions prior to the specified fixed releases.
Mitigation Recommendations
Apply the official updates to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 or later to remediate this vulnerability. These updates include improved input validation that addresses the integer overflow. No additional mitigation is specified or required beyond applying these patches.
CVE-2026-84548: Processing a maliciously crafted document may lead to an out-of-bounds read in Apple macOS
Description
An integer overflow vulnerability in Apple macOS was addressed by improved input validation. This flaw could allow processing of a maliciously crafted document to trigger an out-of-bounds read. The issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Versions prior to these releases are affected.
Affected software
Apple
macOS
pkg:github/apple/macos-sequoiapkg:github/apple/macos-golden-gateRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-84548 is an integer overflow vulnerability in Apple macOS that may lead to an out-of-bounds read when processing a maliciously crafted document. The vulnerability was mitigated by improved input validation. The affected versions include all versions prior to macOS Sequoia 15.8, macOS Tahoe 26.7, and macOS Golden Gate 27. This vulnerability could potentially cause memory safety issues but no CVSS score or exploit details are provided.
Potential Impact
The vulnerability allows an out-of-bounds read which could lead to application crashes or potential information disclosure depending on the context of the memory read. There is no evidence of active exploitation in the wild. The impact is limited to affected macOS versions prior to the specified fixed releases.
Mitigation Recommendations
Apply the official updates to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 or later to remediate this vulnerability. These updates include improved input validation that addresses the integer overflow. No additional mitigation is specified or required beyond applying these patches.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.751Z
- State
- PUBLISHED
Threat ID: 6aa8610855bf5e2cf59d2992
Added to database: 09/14/2026, 21:03:04 UTC
Last enriched: 09/14/2026, 22:32:21 UTC
Last updated: 09/15/2026, 03:01:23 UTC
Views: 3
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