High severity8.8NVD Advisory· Published Sep 14, 2026· Updated Sep 18, 2026

CVE-2026-43815

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Connecting to a malicious afpfs server may lead to kernel memory corruption.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./macOS
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Range: >=14.0,<14.8.8
Apple Inc./macOS Sequoiallm-fuzzy
Range: = 15.7.8
Apple Inc./macOS Sonomallm-fuzzy
Range: = 14.8.8
Apple Inc./macOS Tahoellm-fuzzy
Range: = 26.6

Patches

Vulnerability mechanics

References

support.apple.com/en-us/128067nvdRelease NotesVendor Advisory
support.apple.com/en-us/128071nvdRelease NotesVendor Advisory
support.apple.com/en-us/128072nvdRelease NotesVendor Advisory

News mentions

macOS Sequoia: 25 Vulnerabilities Patched in Same-Day Apple Security Update
Vypr Intelligence · Sep 14, 2026

cvss	0.572
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000