CVE-2026-28911: A malicious app may be able to corrupt memory of a system process in Apple macOS
The issue was addressed with improved memory handling. This issue is fixed in macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to corrupt memory of a system process.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-28911) involves a memory corruption flaw in Apple macOS system processes caused by a malicious app. The root cause is improper memory handling, classified under CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer). Apple fixed the issue in macOS Sonoma 14.8.8 and macOS Tahoe 26.6 by improving memory handling. The CVSS 3.1 base score is 9.8, reflecting network attack vector, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. No public exploits are known currently.
Potential Impact
Successful exploitation could allow a malicious app to corrupt memory of a system process, potentially leading to arbitrary code execution, system compromise, or denial of service. The high CVSS score indicates critical impact on system confidentiality, integrity, and availability.
Mitigation Recommendations
Apple has released fixes in macOS Sonoma 14.8.8 and macOS Tahoe 26.6. Users and administrators should apply these updates to remediate the vulnerability. Patch status is confirmed by the vendor advisory stating the issue is fixed in these versions.
CVE-2026-28911: A malicious app may be able to corrupt memory of a system process in Apple macOS
Description
The issue was addressed with improved memory handling. This issue is fixed in macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to corrupt memory of a system process.
CVSS v3.1
Score 9.8critical
Affected software
Apple
macOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-28911) involves a memory corruption flaw in Apple macOS system processes caused by a malicious app. The root cause is improper memory handling, classified under CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer). Apple fixed the issue in macOS Sonoma 14.8.8 and macOS Tahoe 26.6 by improving memory handling. The CVSS 3.1 base score is 9.8, reflecting network attack vector, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. No public exploits are known currently.
Potential Impact
Successful exploitation could allow a malicious app to corrupt memory of a system process, potentially leading to arbitrary code execution, system compromise, or denial of service. The high CVSS score indicates critical impact on system confidentiality, integrity, and availability.
Mitigation Recommendations
Apple has released fixes in macOS Sonoma 14.8.8 and macOS Tahoe 26.6. Users and administrators should apply these updates to remediate the vulnerability. Patch status is confirmed by the vendor advisory stating the issue is fixed in these versions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-03-03T16:36:03.984Z
- State
- PUBLISHED
Threat ID: 6a67c1b19c2644c7f8cb0d6d
Added to database: 07/27/2026, 20:38:09 UTC
Last enriched: 07/29/2026, 23:36:48 UTC
Last updated: 09/11/2026, 19:31:54 UTC
Views: 44
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