CVE-2026-39870: Processing a maliciously crafted image may corrupt process memory in Apple macOS
CVE-2026-39870 is a vulnerability in Apple macOS where processing a maliciously crafted image may corrupt process memory. This issue has been addressed with improved memory handling and fixed in macOS Sequoia 15. 7. 7, macOS Sonoma 14. 8. 7, and macOS Tahoe 26. 5. No known exploits are reported in the wild. The vulnerability could potentially lead to memory corruption during image processing.
AI Analysis
Technical Summary
This vulnerability involves improper memory handling when processing specially crafted images on Apple macOS. Exploiting this flaw could corrupt process memory, potentially leading to application crashes or other unintended behavior. Apple has fixed the issue by improving memory handling in the specified macOS versions: Sequoia 15.7.7, Sonoma 14.8.7, and Tahoe 26.5.
Potential Impact
The vulnerability may cause process memory corruption when handling malicious images, which could result in application instability or crashes. There are no reports of active exploitation in the wild at this time.
Mitigation Recommendations
A fix is available and has been released by Apple in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, and macOS Tahoe 26.5. Users and administrators should apply these updates to remediate the vulnerability.
CVE-2026-39870: Processing a maliciously crafted image may corrupt process memory in Apple macOS
Description
CVE-2026-39870 is a vulnerability in Apple macOS where processing a maliciously crafted image may corrupt process memory. This issue has been addressed with improved memory handling and fixed in macOS Sequoia 15. 7. 7, macOS Sonoma 14. 8. 7, and macOS Tahoe 26. 5. No known exploits are reported in the wild. The vulnerability could potentially lead to memory corruption during image processing.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves improper memory handling when processing specially crafted images on Apple macOS. Exploiting this flaw could corrupt process memory, potentially leading to application crashes or other unintended behavior. Apple has fixed the issue by improving memory handling in the specified macOS versions: Sequoia 15.7.7, Sonoma 14.8.7, and Tahoe 26.5.
Potential Impact
The vulnerability may cause process memory corruption when handling malicious images, which could result in application instability or crashes. There are no reports of active exploitation in the wild at this time.
Mitigation Recommendations
A fix is available and has been released by Apple in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, and macOS Tahoe 26.5. Users and administrators should apply these updates to remediate the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-04-07T19:58:20.173Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a028763cbff5d86108b6828
Added to database: 5/12/2026, 1:50:27 AM
Last enriched: 5/12/2026, 2:05:56 AM
Last updated: 5/12/2026, 3:49:07 AM
Views: 2
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