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Critical 9.8Published Jul 27, 2026
CVE-2026-43802An out-of-bounds write issue was addressed with improved bounds checking.
Updated under an hour ago ()
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It affects apple macos. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.
- CVSS
- 9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-787
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Aug 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
apple macos apple:macos | from 14.0 before 14.8.8; from 15.0 before 15.7.8; from 26.0 before 26.6 | NVD |
References
- https://support.apple.com/en-us/128067release-notes, vendor-advisory
- https://support.apple.com/en-us/128071release-notes, vendor-advisory
- https://support.apple.com/en-us/128072release-notes, vendor-advisory
- https://support.apple.com/en-us/148287
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.