by Kastro
Paper/Archive/CVE-2026-112521

CVE-2026-112521

Apple macOS — A buffer overflow was addressed with improved bounds checking.

EPSS 0.2%CVSS 9.3
critical.is priorityof 100
31
CVSS 9.3 (ADP)9.3 / 10 × 3027.9Not in CISA KEV+300.0EPSS percentile 14.3.143 × 202.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A sandboxed process may be able to circumvent sandbox restrictions.

Affected

ProductAffectedFixed inSource
macOS< 15.8.215.8.2CNA
macOS< 26.7.226.7.2CNA
macOS< 27.227.2CNA

Scores by source

CISA ADP9.3CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refsupport.apple.com/en-us/149521refsupport.apple.com/en-us/149522refsupport.apple.com/en-us/149523