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Medium 5.5Published Sep 14, 2026
CVE-2026-84548An integer overflow was addressed with improved input validation.
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 integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Processing a maliciously crafted document may lead to an out-of-bounds read.
- CVSS
- 5.5 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-190
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- apple
- NVD analysis
- Modified
- Record last updated
- Sep 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Apple macOS apple:macos (from the name) | before 15.8; before 26.7; before 27 | CNA record |
apple macos apple:macos | from 15.0 before 15.8; from 26.0 before 26.7 | NVD |
References
- https://support.apple.com/en-us/149035release-notes, vendor-advisory
- https://support.apple.com/en-us/149042release-notes, vendor-advisory
- https://support.apple.com/en-us/149043release-notes, vendor-advisory
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.